Ask Question
13 December, 05:04

1. You can do 90 sit-ups in 2 minutes. Your friend can do 135 sit-ups in 3 minutes. Do these rates form a proportion? Explain

2. The ratio of quarters to dimes in a coin collection is 5:3. You add the same number of new quarters as dimes to the collection.

a. Is the ratio of quarters to dimes still 5:3?

b. If so, illustrate with an example. If not, give a counter-example.

3. You are 13 years old, and your cousin is 19 years old. As you grow older, is your age proportional to your cousin's age? Explain your reasoning

Answers (1)
  1. 13 December, 06:16
    the answer is s m d 60+20=80
Know the Answer?