Solving Ratios with Algebra

Solve for x

• x=6

• x =1/6

• x = 7

• x=9

Solve the proportion:

• 4

• 8

• 14

• 10

Do the ratios form a proportion?

• Yes, they form a proportion.

• No, they do not form a proportion.

A 12-ounce bottle of shampoo lasts Luci 16 weeks. How long would you expect an 18-ounce bottle of the same brand to last her?

• 24 Weeks

• 24-ounce bottle

• 10.6 Weeks

• 10.6-ounce bottle

Two quantities are in the ratio 7:3. If the sum of the quantities is 100, what is the larger quantity?

• 70

• 75

• 30

• 25

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

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

If a car travels 60 miles in 1.5 hours, what is the ratio of miles to hours?

• 40:1

• 60:1.5

• 40:3

• 20:0.5

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

• 20

• 25

• 15

• 10

In a survey, the ratio of people who prefer tea to those who prefer coffee is 4:5. If 180 people were surveyed, how many prefer tea?

• 80

• 72

• 90

• 100