Quiz about Ratios and Rates Word Problems

Question 1

The ratio of water to cement in a mixture is 2:1. If you have 60 kg of cement, how many kilograms of water do you need?

Accepted Answer

120

Answer

30

Answer

60

Answer

90

Question 2

A map scale shows that 1 cm on the map corresponds to 4 km in reality. If two cities are 8 cm apart on the map, how far are they in reality?

Accepted Answer

32 km

Answer

28 km

Answer

30 km

Answer

34 km

Question 3

Evan's favourite hobby is origami. He plans to make 100 paper cranes to hang from the ceiling of his bedroom. Yesterday, he made 28 paper cranes in 4 hours. Today, he made 21 paper cranes at the same rate.

How long did Evan spend making paper cranes today?

Accepted Answer

3 hours

Answer

4 hours

Answer

1 hour

Question 4

If there are 2 cats and 5 dogs what is the ratio of cats to dogs?

Accepted Answer

2:5

Answer

5:2

Answer

10:1

Question 5

What is the ratio of strawberries to the total if there are 20 strawberries and 35 grapes?

Accepted Answer

20:55

Answer

20:35

Answer

35:20

Question 6

Unit rates are....

Accepted Answer

ratios whereby the amount given is per 1 unit

Answer

ratios whereby the amount given is per 2 units

Answer

ratios whereby the amount given is per 10 units

Question 7

To find a unit rate you must

Accepted Answer

divide

Answer

add

Answer

subtract

Answer

multiply

Question 8

Find the unit rate for 10 apples that cost $2.00

Accepted Answer

$0.20 per apple

Answer

$20.00 per apple

Answer

$0.50 per apple

Question 9

What would the proportion look like for the following example? 12 girls have brown eyes and 10 girls have blue eyes.If 72 girls have brown eyes, how many have blue eyes?

Accepted Answer

$$\frac{12\ }{10}=\frac{72}{b}$$

Answer

$$\frac{10\ }{12}=\frac{b}{72}$$

Question 10

Solve this proportion.

$$\frac{12}{60}\ =\ \frac{3}{x}$$

Accepted Answer

15

Answer

5

Answer

4

Question 11

At Tim Horton's the number of cups of coffee sold to hot chocolate is 100 to 5. If there are 2,000 cups of coffee sold, how many cups of hot chocolate are sold?

Accepted Answer

100

Answer

10

Answer

40,000

Question 12

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 13

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 14

Will spent $3.75 for 3 pounds of granola. What is his unit rate in dollars per pound?

Accepted Answer

$1.25 per pound

Answer

$.50 per pound

Answer

$3 per pound

Answer

$2.50 per pound

Question 15

It cost me $46.80 to fill my 13-gallon gas tank. What was the price of gas per gallon?

Accepted Answer

$3.60

Answer

$3.55

Answer

$3.40

Answer

$3.50

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