Quiz about Unit Rate Practice

Question 1

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 2

9 minutes to 5 miles

Accepted Answer

Rate

Answer

Ratio

Answer

Unit Rate

Question 3

22 miles per hour

Accepted Answer

Unit Rate

Answer

Ratio

Answer

Rate

Question 4

Which is a rate that Iron Man could use?

Accepted Answer

$$\frac{10\ words}{30\ \sec onds}$$ "10 words spoken by Iron Man in 30 seconds"

Answer

$$\frac{2\ \ feet}{6\ \ feet}$$ "2 steps taken by Iron Man to 6 steps"

Answer

$$\frac{4\ cups}{8\ cups}$$ "4 cups of coffee consumed by Iron Man to 8 cups"

Question 5

Which is a UNIT rate if Iron Man flies?

Accepted Answer

35 miles / 1 hour

Answer

100 miles / 3 hours

Answer

70 miles / 2 hours

Question 6

Find the unit rate (how many Iron Man suits per container):

42 Iron Man suits in 7 containers

Accepted Answer

6 suits/container

Answer

7 suits/container

Answer

7 containers/suit

Answer

14 suits/container

Question 7

Find the unit rate (how many minutes per video):

Iron Man takes 24 minutes to watch 4 videos of his battles

Accepted Answer

6 minutes/video

Answer

4 minutes/video

Answer

4 videos/minute

Answer

8 minutes/video

Question 8

Tony Stark (Iron Man) is trying to balance the power ratios in his suit. What mathematical operation does he need to use?

Accepted Answer

division

Answer

addition

Answer

subtraction

Answer

multiplication

Question 9

Find the unit rate of one Iron Man action figure if a box of 35 Iron Man action figures costs $6.99.

Accepted Answer

$0.20

Answer

$244.65

Answer

$1.00

Answer

$6.99

Question 10

If Iron Man has 20 missiles in his suit and 9 in his backup, what is the ratio of missiles in his suit to missiles in his backup?

Accepted Answer

20/9

Answer

9/20

Answer

9.20

Answer

20.9

Question 11

Iron Man spends $40 on 5 pounds of a special metal for his suit. What is the unit rate in dollars per pound?

Accepted Answer

$8 per pound

Answer

$5 per pound

Answer

$35 per pound

Answer

0.125 pounds per dollar

Question 12

If Iron Man can dismantle 408 enemy drones in 4 minutes, how many drones can he dismantle per minute?

Accepted Answer

102 drones per minute

Answer

100 drones per minute

Answer

400 drones per minute

Answer

412 drones per minute

Question 13

Iron Man was able to defeat 2 enemies in 8 minutes during a battle. At this rate, how many enemies can he defeat in 30 minutes?

Accepted Answer

7.5 enemies

Answer

16 enemies

Answer

10.5 enemies

Answer

14 enemies

Question 14

After 3 hours, Iron Man had flown 195 miles. If he flies at a constant speed, how far will he have flown after 5 hours?

Accepted Answer

325 miles

Answer

400 miles

Answer

575 miles

Answer

650 miles

Question 15

Iron Man spent $46.80 to fill his 13-gallon gas tank for his Audi R8. What was the price of gas per gallon?

Accepted Answer

$3.60

Answer

$3.55

Answer

$3.40

Answer

$3.50

Question 16

Iron Man is calculating the rate of his flight speed. This rate is a ratio that compares

Accepted Answer

Quantities with different units

Answer

The speed of his flight to the time taken

Answer

The distance covered to the total distance

Answer

Quantities with the same units

Question 17

Iron Man is flying at a speed of 50 miles per hour. A rate that describes this would have units of

Accepted Answer

Miles and hours

Answer

Miles and Iron Men

Answer

Miles only

Answer

Hours only

Question 18

Iron Man is testing a new suit. He wants to calculate the unit rate of energy consumption. The unit rate is a rate in which the unit in the denominator is:

Accepted Answer

1

Answer

0

Answer

3

Answer

2

Question 19

Iron Man needs to buy metal for his new suit. The supplier has three sizes available:

A 20-lb batch for $23.44

An 8-lb batch for $9.88

A 40-lb batch for $49.00

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

Accepted Answer

The 20-lb batch

Answer

The 8-lb batch

Answer

The 40-lb batch

Answer

He uses vibranium

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