Ratio, Rates, Proportions Checkpoint

Nathaniel can run 3 laps in the gym in 2 minutes. If Nathaniel continues to run at the same rate, which of the graphs best represents his progress?

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The table shows the numbers of different animals at a petting zoo. Express the ratio in the simplest form that compares the number of goats to the total number of animals.

• 6:15

• 2:5

• 15:6

• 5:2

The ratio of boys to girls in the 6th grade band is 3:5. Based on this ratio, how many boys are in the band if there are 75 girls.

• 45

• 125

• 100

• 50

To make a particular strength of lemonade, you must mix 12 parts of lemonade concentrate to 21 parts of water. To maintain the taste, this ratio must stay the same.

How much water is needed for 16 parts of lemonade concentrate?

The ratio of boys to girls in the school musical is 5:8. Which of the following shows the possible numbers of boys and girls in the school musical?

• 48:30

• 15:18

• 20:32

• 6:9

Kalaya bought 3 tickets to a concert for $75. At this rate, how much would 5 tickets cost?