Writing Ratios
Comparing Ratios
100

There are 12 boys and 13 girls in a class. What is the ratio of girls to the total number of students in the class? Write the ratio in 3 ways.

13:25, 13/25, 13 to 25
100

Is 3:12 = 6:24?

yes

200

Jason is planting a vegetable garden. He plants 2 tomato plants for every 6 pepper plants. If Joseph plants 14 tomato plants, how many pepper plants does he plant?

42

200

Is 28/16 = 7/4

yes

300

An animal shelter has a ratio of cats to dogs of 6 to 5. If the shelter has 18 cats, how many dogs does the shelter have?

15 dogs

300

Is 27 to 9 = 24 to 4?

No

400

Edith and Rashida are shooting free throws. Edith makes 1 basket for every 3 shots. Rashida makes 2 baskets for every 5 shots. Who has a better ratio of baskets to shots?

Rashida

400

Jacob and Jordan are training for track season. Jacob did 39 sit-ups in 30 seconds. Jordan did 59 sit-ups in 50 seconds. Who will likely do more sit-ups in 2 1/2 minutes? Explain.

Jacob: 39x5=195 

Jordan: 59x3=177 

500

The ratio of soccer players to football players is 3:5. How many students play each sport if there are 32 athletes total?

12 soccer players and 20 football players

500

Kallie makes bouquets of flowers so that the ratios are 4 carnations to 2 sunflowers to 3 lilies. Kallie makes a bouquet of 54 flowers using only these flowers. How many of each type of flower does she use?

24 carnations to 12 sunflowers to 18 Lillies

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