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Natalie did 87 sit-ups in 3 minutes.

What is the unit rate?


At this rate, how many sit-ups can Natalie do in 5 minutes?

1 Answer

10 votes

Answer:

19 sit-ups per minute ;

95 sit-ups

Explanation:

Given that :

Number of sit-ups done in 3 minutes = 57

The unit rate of sit-ups done can be obtained thus :

Total Number of sit-ups done / total time taken

= 57 sit-ups /3 minutes

= 19 sit-ups per minute

. Number of sit-ups that can be done in 5 minutes :

Unit Rate of sit-ups * number of minutes

19 sit-ups / minute * 5 minutes

= 95 (sit-ups / minute * minute)

= 95 sit-ups

User Boris Savic
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