Solving Real World Ratio Problems

On Monday, 6 out of every 10 people who entered a store purchased something If 1,000 people entered the store on Monday, how many people purchased something?

• 6 people

• 60 people

• 600 people

• 610 people

Answer explanation

6/10 = x/1000

x*10=6*1000

10x=6000

Divide both sides by 10

x = 600

75% of the crowd at a sports rally were wearing the team colors. If 222 people were wearing the team colors, how many people were in the crowd? Circle the correct answer choice.

• 74

• 300

• 296

• 314

To make yummy fruit punch, use 2 cups of grape juice for every 3 cups of apple juice. Select all of the juice combinations below that correctly follow this recipe ratio.

• 4 cups grape juice: 6 cups apple juice

• 5 cups grape juice: 10 cups apple juice

• 2 cups grape juice: 3.5 cups apple juice

• 6 cups grape juice: 12 cups apple juice

• All of the above

If a pair of pants that normally sells for $51.00 is now on sale for $34.00, by what percentage was the price reduced?

• 30%

• 60%

• 33.33%

• 66.67%

Answer explanation

is/of = %/100

34.0/51.00 = x/100

34.00*100 = 51*x

3400 = 51x

Divide both sides by 51

x = 66.67% This is the amount left to pay.

100% - 66.67% = 33.33%

This is the amount the shirt was reduced by.

• A

• B

• C

• D

If the ratio of cats to dogs in a pet store is 3:4, and there are 12 cats, how many dogs are there?

• 16

• 15

• 14

• 13

A 12-ounce bottle of shampoo lasts Enrique 16 weeks. How long would you expect an 18-ounce bottle of the same brand to last him? (no label)

The ratio of lemon juice to water in Ella's Delicious Lemonade is 3 cups : 5 cups. Audrey wants to make a triple batch. What ratio of lemon juice and water should she use AND how many cups of lemonade will it make?

• 9 cups juice : 15 cups water makes 24 cups of lemonade

• 6 cups juice : 10 cups water makes 16 cups of lemonade

• 9 cups juice : 15 cups water makes 8 cups of lemonade

• 9 cups juice : 5 cups water makes 24 cups of lemonade

Use ratio language to describe the relationship where for every 5 red marbles, there are 7 blue marbles.

• There are 5 red marbles for every 7 blue marbles.

• The ratio of red marbles to blue marbles is 5 to 7.

• Both A and B

• None of the above

A school's student to teacher ratio is 20:1. If there are 400 students, how many teachers are there?

• 20

• 25

• 15

• 10