Lesson 3- 6.4b Predict and Compare Ratios

On a shelf, the ratio of science books to math books is 4:3. There are 36 science books on the shelf. How many math books are on the shelf?

• 48

• 35

• 27

• 63

There are 63 dogs at a dog show. The ratio of the number of large dogs to the number of small dogs is 4:3. How many dogs at the dog show are small dogs?

• 36

• 21

• 9

• 27

Avery and Mason are both swimming laps in the same swimming pool. - Avery can swim 3 laps in 2 minutes. - Mason can swim 5 laps in 4 minutes. Based on these rates, which statement is NOT true?

• Avery can swim 6 laps in 4 minutes.

• Mason can swim 2.5 laps in 2 minutes.

• Avery can swim 2 laps farther than Mason in 8 minutes.

• Mason can swim 0.5 lap farther than Avery in 2 minutes.

Taylor and Raimi each earn an hourly wage. Taylor earns $308 for working 14 hours. Raimi earns $288 for working 12 hours. Which statement is true?

• Taylor earns more per hour than Raimi.

• Raimi earns more per hour than Taylor.

• Raimi earns $26.80 per hour.

• Taylor earns $21.34 per hour.

The table shows the ratio of people who ate a certain type of lunch to the total number of people who ate lunch. A total of 840 people ate lunch. Which statement is true?

• Half as many people ate a turkey sandwich as ate a vegetarian sandwich.

• One-fourth as many people ate a vegetarian sandwich as ate a salad.

• There were 56 more people who ate a turkey sandwich than ate a chicken sandwich.

• There were 28 more people who ate a salad than ate a chicken sandwich.

The ratio of the number of boys to the number of girls in a choir is 5 to 4. There are 60 girls in the choir. How many boys are in the choir?

• 75

• 61

• 48

• 80

A grocery store clerk put only packages of flour tortillas and packages of corn tortillas on a shelf. The ratio of the number of packages of corn tortillas to the total number of packages on the shelf was 7 to 16. Which number could be the number of packages of flour tortillas the clerk put on the shelf?

• 23

• 18

• 14

• 32

The table shows the time Monique worked and the amount of money she earned during four different weeks. Based on the information in the table, how much will Monique earn if she works 40 hours in a week?

• $330

• $255.75

• $297

• $82.50

Megan and Desmond each added the same amount of water to their aquariums. Megan mixed 5 mL of a chemical solution with every gallon of water for her aquarium. Desmond mixed 8 mL of the chemical solution with every 2 gallons of water for his aquarium. Which of these statements is true?

• Megan used more solution per gallon of water than Desmond, because 5 : 1 is greater than 8 : 2.

• Megan used more solution per gallon of water than Desmond, because 5 mL is greater than 2 mL.

• Desmond used more solution per gallon of water than Megan, because 8 mL is greater than 5 mL.

• Desmond used more solution per gallon of water than Megan, because 8 : 2 is greater than 5 : 1.

In Austin, Texas, 8 bats ate 40 grams of insects in one night. At this rate, how many grams of insects could 64 bats eat in one night? Record your answer and fill in the bubbles on your answer document. Be sure to use the correct place value.

• 320

• 400

• 500

• 600