Quiz about Ratios, Unit Rates & Proportions

Question 1

Simplify the ratio $$\frac{6}{18}$$

Accepted Answer

$$\frac{1}{3}$$

Answer

$$\frac{3}{9}$$

Answer

$$\frac{0}{12}$$

Answer

$$\frac{12}{24}$$

Question 2

Simplify the ratio 10:5

Accepted Answer

5:1

Answer

20:10

Answer

10:5

Answer

1:5

Question 3

Simplify the ratio 15 to 18

Accepted Answer

5 to 6

Answer

18 to 15

Answer

10 to 13

Answer

30 to 36

Question 4

Are the ratios $$\frac{8}{9}$$ and $$\frac{4}{5}$$ equivalent

Accepted Answer

NO

Answer

YES

Question 5

Are the ratios 3:8 and 9:24 equivalent?

Accepted Answer

YES

Answer

NO

Question 6

Find the unit rate: 4 burgers for $12

Accepted Answer

$3 per burger

Answer

$12 per burger

Answer

$8 per burger

Answer

3 burgers per dollar

Question 7

Find the unit rate: 48 cookies in 4 batches

Accepted Answer

12 cookies per batch

Answer

44 cookies per batch

Answer

12 batches per cookie

Answer

24 cookies per batch

Question 8

Find the unit rate: drive 112.6 miles in 2 hours

Accepted Answer

56.3 miles per hour

Answer

225.2 miles per hour

Answer

1 mile per 53.6 hours

Answer

44.7 miles per hour

Question 9

Which is the better buy?

20 oz. bottle of soda for $1.80

or 12 oz. bottle for $1.25

Accepted Answer

20 oz. bottle of soda for $1.80

Answer

12oz. bottle for $1.25

Question 10

Which is the better buy?

5 lb. bag of apples for $3.80

or 3 lb. bag of apples for $2.25.

Accepted Answer

3 lb. bag of apples for $2.25.

Answer

5 lb. bag of apples for $3.80

Question 11

Solve the proportion HORIZONTALLY:

$$\frac{4}{3}=\frac{8}{x}$$

Accepted Answer

x=6

Answer

x=1.5

Answer

x=4

Answer

x=24

Question 12

Solve the proportion HORIZONTALLY:

$$\frac{45}{27}=\frac{x}{3}$$

Accepted Answer

x=5

Answer

x=405

Answer

x=3

Answer

x=27

Question 13

Solve the proportion VERTICALLY:

$$\frac{3}{9}=\frac{51}{x}$$

Accepted Answer

x=153

Answer

x=27

Answer

x=5.6

Answer

x=17

Question 14

Solve the proportion VERTICALLY:

$$\frac{4}{24}=\frac{x}{6}$$

Accepted Answer

x=1

Answer

x=1.5

Answer

x=24

Answer

x=16

Question 15

Solve the proportion using CROSS PRODUCTS:

$$\frac{100}{x}=\frac{75}{6}$$

Accepted Answer

x=8

Answer

x=4.5

Answer

x=125

Answer

x=450

Question 16

Solve the proportion using CROSS PRODUCTS:

$$\frac{6}{10}=\frac{x}{25}$$

Accepted Answer

x=15

Answer

x=150

Answer

x=250

Answer

x=10

Question 17

The ratio of hardcover books to paperback books is 5:2. If there are 35 hardcover books, how many paperback books are there?

Accepted Answer

14 paperback books

Answer

10 paperback books

Answer

28 paperback books

Answer

70 paperback books

Question 18

It takes Layla 24 minutes to ride her bike a trail that is 6 miles long. How many minutes will it take her to ride a trail that is 8 miles long?

Accepted Answer

32 minutes

Answer

144 minutes

Answer

4 minutes

Answer

48 minutes

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