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A recipe requires a ratio of 2 cups of flour to 3 cups of sugar. If you use 4 cups of flour, how many cups of sugar do you need?

• 5 cups

• 6 cups

• 8 cups

• 9 cups

• All of the above

If the ratio of cats to dogs in a shelter is 5:7, how many cats are there if there are 21 dogs?

• 10 cats

• 15 cats

• 20 cats

• 25 cats

Convert the ratio 8:12 to its simplest form.

• 2:3

• 3:4

• 4:5

• 1:2

If the ratio of boys to girls in a class is 4:5 and there are 20 boys, how many girls are there?

• 15 girls

• 25 girls

• 30 girls

• 35 girls

A bag contains red and blue marbles in the ratio 3:2. If there are 18 red marbles, how many blue marbles are there?

• 9 blue marbles

• 12 blue marbles

• 15 blue marbles

• 18 blue marbles

Olivia has blue, pink and orange counters in a bag. The ratio of blue to pink to orange counters is 4 : 5 : 2

What fraction of her counters are pink?

• $\frac{5}{9}$

• $\frac{5}{6}$

• $\frac{5}{11}$

• $\frac{6}{11}$

The ratio of red counters to blue counters is 3 : 1

What fraction of the counters are blue?

• ¹/₄

• ³/₄

• ¹/₃

• ³/₁

The ratio of red counters to blue counters is 3 : 1

What fraction of the counters are red?

• ¹/₄

• ³/₄

• ¹/₃

• ³/₁

The ratio of purple sweets to red sweets is 2 : 5

What fraction of the sweets are red?

• ⁵/₂

• ²/₅

• ²/₇

• ⁵/₇