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Svet_ta [14]
3 years ago
10

Natalie did 87 sit-ups in 3 minutes.

Mathematics
1 answer:
pishuonlain [190]3 years ago
7 0

Answer:

19 sit-ups per minute ;

95 sit-ups

Step-by-step 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

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