6.4B review

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.

• F. Taylor earns more per hour than Raimi.

• G. Raimi earns more per hour than Taylor.

• H. Raimi earns $26.80 per hour.

• J. Taylor earns $21.34 per hour.

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.

Based on the information in the table, how many cups of sugar should Felisha mix with 6 cups of water?

• 1 1/2 cups

• 5 3/4 cups

• 4 1/2 cups

• 3/8 cups

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

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?

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

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

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

• D 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?

Mathematical Equivalence

ON