Quiz about Rates and Unit Rates

Question 1

Lynnette can wash 95 cars in 5 days. How many cars does she wash each day?

Accepted Answer

19 cars per day

Answer

475 cars per day

Answer

.05 cars per day

Answer

15 cars per day

Question 2

Luke can paint 91 portraits in 7 weeks. How many portraits does he paint each week?

Accepted Answer

13 portraits per week

Answer

637 cars per week

Answer

13

Answer

.08 portraits per week

Question 3

At the market, 7 apples cost $4.55. What is the cost per apple?

Accepted Answer

$0.65 per apple

Answer

1.54 apples per dollar

Answer

1.54 dollars per apple

Answer

not here

Question 4

Ken can walk 40 dogs in 8 hours. Determine how many dogs he can walk in one hour.

Accepted Answer

5 dogs per hour

Answer

5 hours per dog

Answer

320 dogs per hour

Answer

not here

Question 5

Alicia drove at a constant speed and traveled 182.4 miles in 3 hours. What is her rate in miles per hour?

Accepted Answer

60.8 miles per hour

Answer

60.8 hours per mile

Answer

547.2 miles per hour

Answer

56 miles per hour

Question 6

Charles can type 675 words in 9 minutes. How many words can he type per minute?

Accepted Answer

75 words per minute

Answer

6075 words per minute

Answer

86 words per minute

Answer

75 minutes per word

Question 7

How are rates and unit rates similar?

Accepted Answer

They both compare two different quantities of information.

Answer

They both are fractions.

Answer

They are not similar at all.

Answer

not here

Question 8

A rate is a ratio that compares 2 different_______________________________.

Accepted Answer

units/measurements

Answer

people

Answer

fractions

Answer

denominators

Question 9

How are rates and unit rates different?

Accepted Answer

A rate compares two different quantities.  A unit rate has a denominator of 1.

Answer

A rate has a denominator of 1.  A unit rate does not.

Answer

A rate is just like a fraction.  A unit rate is a ratio.

Answer

Rates involve a measurement of time, but unit rates do not.

Question 10

One real world example of when we use rates and unit rates is ______________________________________.

Accepted Answer

miles per hour

Answer

apples to oranges

Answer

girls to boys

Answer

teachers to students

Question 11

Which of the following is a UNIT RATE?

Accepted Answer

$6 for each hour

Answer

10 miles / 2 hours

Answer

1 box / $3

Answer

15 pounds every 5 servings

Question 12

The pet shop has 2 dogs, 4 cats, and 5 hamsters. What is the ratio of dogs to all pets?

Accepted Answer

2:11

Answer

2:4

Answer

2:5

Answer

11:2

Question 13

There are 13 boys and 10 girls in the classroom.  What is the ratio of boys to girls?

Accepted Answer

13 to 10

Answer

10 to 13

Answer

23 to 13

Answer

23 to 10

Question 14

Solve the proportion:

Accepted Answer

8

Answer

4

Answer

14

Answer

10

Question 15

Jenny has 3 guitars. Steve has 4 guitars. If the ratio of guitars is 4:3, who is first in the ratio?

Accepted Answer

Steve

Answer

Jenny

Answer

It doesn't matter

Answer

Andy Griffith

Question 16

Question 16.

Accepted Answer

d

Answer

a

Answer

b

Answer

c

Question 17

Solve the proportion.

Accepted Answer

k=5

Answer

k=45

Answer

k=60

Answer

k=90

Question 18

You spend $40 on 5 pounds of concrete. What is the unit rate in dollars per pound?

Accepted Answer

$8 per pound

Answer

$35 per pound

Answer

$5 per pound

Answer

$0.125 per pound

Question 19

If Antonia can type 408 words in 4 minutes, how many words can she type per minute?

Accepted Answer

102 words per minute

Answer

408 words per minute

Answer

100 words per minute

Answer

400 words per minute

Question 20

Which is the better buy? A 12-pack of Pepsi for $3.50 or a 6-pack for $1.80?

Accepted Answer

The 12-pack

Answer

The 6-pack

Answer

They're the same

Answer

Neither, I prefer Coke

Question 21

A rate is a ratio that compares

Accepted Answer

Quantities with different units

Answer

A part to a part

Answer

A part to a whole

Answer

Quantities with the same units

Question 22

A unit rate is a rate in which the unit in the denominator is:

Accepted Answer

1

Answer

0

Answer

3

Answer

2

Question 23

You go to the grocery store to buy dog food. The store has three sizes available:

A 20-lb bag for $23.44

An 8-lb bag for $9.88

A 40-lb bag for $49.00

Which size bag has the lowest cost per pound rounded to the nearest cent?

Accepted Answer

The 20-lb bag

Answer

The 8-lb bag

Answer

The 40-lb bag

Answer

I have a cat

Question 24

Sargento cheese slices $2.48 for 10 slices
or
Velveeta Cheese slices $3.18 for 12 slices
Find the unit price for each and choose the better deal.

Accepted Answer

Sargento

Answer

Velveeta

Question 25

Kyle entered a pie eating contest.  He took 1/5 of a minute to eat 1/2 of a pie.  How many pies can Kyle eat per minute?

Accepted Answer

2 and 1/2 pies per minute

Answer

2 and 1/2 minutes per pie

Answer

2/5 of a minute per pie

Answer

2/5 of a pie per minute

Question 26

Ben drinks tea at a relatively quick rate.  He drinks 1/2 liter of tea every 2/3 of an hour.  How much tea does Ben drink per hour?

Accepted Answer

3/4 of a liter per hour

Answer

1 and 1/3 of an hour per liter

Answer

1 and 1/3 liter per hour

Answer

3/4 of an hour per liter

Question 27

8.  Find the unit rate of $97.50 for 15 pizzas.

Accepted Answer

$6.50 per pizza

Answer

$6 per pizza

Answer

$82.50 per pizza

Answer

$5.50 per pizza

Question 28

There are 75 pieces of candy in a 15 oz bag.

How many pieces are there per ounce?

Accepted Answer

5 pieces

Answer

0.2 pieces

Answer

50 pieces

Answer

60 pieces

Question 29

Which is the better buy? a 12 pack of Coke for $3.50 or a six pack of Coke for $1.80?

Accepted Answer

The 12 pack of Coke

Answer

The 6 pack of Coke

Answer

Neither

Answer

They are the same

Question 30

Which of the following is NOT a unit rate?

Accepted Answer

1 minute

3 feet

Answer

4 dogs

1 yard

Answer

0.3 miles

1 minute

Answer

0.75 hour

1 game

Question 31

It costs $8.21 for 3 candy bars. What is the unit price one candy bar?

Accepted Answer

2.73

Answer

6.90

Answer

71.8

Answer

76.0

Question 32

Charlotte read 68 pages in 34 minutes. How many pages can she read in one minute?

Accepted Answer

2

Answer

1

Answer

1.13

Answer

1.33

Question 33

Movie ticket sales are as follows:
Adult: 20 tickets for $250
Child: 15 tickets for $71.25
Senior: 5 tickets for $37.50
How much does one (1) ADULT ticket cost?

Accepted Answer

$12.50

Answer

$0.08

Answer

$25

Answer

$12

Question 34

Richard estimates that he can apply
fertilizer to 4,485 square feet of grass
in 3 /4
 hour. How many square feet of
grass can Richard fertilize per hour?

Accepted Answer

5,980 square feet

Answer

9,970 square feet

Answer

6,485 square feet

Answer

4,485 square feet

Question 35

Four pounds of bananas cost $6.  What is the cost per pound of bananas?

Accepted Answer

$1.50 per pound

Answer

$24 per pound

Answer

$1 per pound

Answer

$6 per pound

Question 36

Harry mowed eight lawns and earned $96. How much did he earn for each lawn?

Accepted Answer

$12

Answer

$96

Answer

$768

Answer

$8

Question 37

A car travels 160 miles in 4 hours.  At this rate, how far will the car travel in 7 hours?

Accepted Answer

280 miles

Answer

40 miles

Answer

280 miles per hour

Answer

240 miles

Question 38

A machine can pack 70 boxes of spaghetti in 5 minutes. At this rate, how many boxes can they pack in 8 minutes.

Accepted Answer

112 boxes

Answer

35 boxes

Answer

14 boxes

Answer

560 boxes

Question 39

To make a certain color, every 2 drops of red are mixed with 3 drops of yellow? How many drops of red would be used if 36 drops of yellow were used?

Accepted Answer

24 drops

Answer

53 drops

Answer

48 drops

Answer

12 drops

Question 40

Which is the "better buy"? A 12-ounce can of corn for $1.92 or a 20-ounce can of corn for $3.00?

Accepted Answer

The 20-ounce can

Answer

They are the same

Answer

The 12-ounce can

Answer

Neither, who likes corn anyhow?

Rates and Unit Rates

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