Ratios 6th grade review

A toy store owner arranged toy trains and toy boats on a shelf. The ratio of the number of toy trains to the number of toy boats was 3 to 4. If the total number of toy trains and boats on the shelf is 56, how many toy boats did the owner place on the shelf?

• 24

• 28

• 32

• 36

Emma and Liam each add the same amount of orange juice to their fruit drinks. Emma mixed 5 L of pineapple juice with every gallon of orange juice. Liam mixed 8 L of pineapple juice with every 2 gallons of orange juice. Which statement below is true?

• Emma used more pineapple juice per gallon of orange juice than Liam because 5 L is greater than 2 gallons.

• Liam used more pineapple juice per gallon of orange juice than Emma because 8 L is greater than 5 L.

• Emma used more pineapple juice per gallon of orange juice than Liam because 5 : 1 is greater than 8 : 2.

• Liam used more pineapple juice per gallon of orange juice than Emma because 8 : 2 is greater than 5 : 1.

A paint company combines 10 gallons of blue paint with every 15 gallons of yellow paint to create green paint. Which ratio of gallons of blue paint to gallons of yellow paint will produce the same shade of green paint?

• 20 : 30

• 25 : 40

• 30 : 45

• 35 : 50

The tables show the relationship between time, x, and plant growth, y, for two different plants. Which statements describe the relationship between x and y for the two different plants?

• Both plants show multiplicative relationships. For plant A, y is 2.5 times x, and in plant B, y is 3 times x.

• Both plants show additive relationships. For plant A, y is 2.5 more than x, and for plant B, y is 3 more than x.

• Plant A shows an additive relationship in which y is 2.5 more than x. Plant B shows a multiplicative relationship in which y is 3 times x.

• Plant A shows a multiplicative relationship in which y is 2.5 times x. Plant B shows an additive relationship in which y is 3 more than x.

Maria is a cashier at a grocery store. She earns $12.00 per hour. How much will Maria earn if she works for 4 hours?

Jolene is a receptionist at a clinic and earns $10.50 per hour. How many hours must she work to make $84.00?

Emily has a formula for a disinfectant that involves mixing 10 cups of water with 5 cups of vinegar. John has a formula that uses 15 cups of water with 7.5 cups of vinegar. Are the disinfectant solutions from both formulas equally concentrated? Justify your answer.

If the ratio of boys to girls in a class is 3:4, and there are 21 boys, how many girls are there?

• 28

• 25

• 18

• 24

• A ratio is a multiplicative comparison of two or more quantities.

• A ratio is a additive comparison of two or more quantities.

• Talia
• Marisol
• Nina
• Joanne

Tags

CCSS.6.RP.A.1

CCSS.6.RP.A.3