Question

Nelson can do 105 sit-ups in 3 minutes; what is the unit rate?

In other words, how many sit-ups can he do in 1 minute?

At this rate, how many sit-ups would Nelson be able to do in 5 minutes?

Answer 1

35 sit-ups per minute. 35/1

Explanation:

He can do 35 sit-ups in 1 minute.

He can do 175 sit-ups in 5 minutes.

Answer 2

Explanation:

Hey there!

We can again, do it by Unitary Method.

105 sit ups = 3 minutes

1 sit up =
`(105)/(3)`

So, 35 sit ups per minute is the answer.

Now, he will be able to do 35×5 = 175 sit ups in 5 minutes.

Hope it helps :)