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Chapter 2: Q4. (page 114)

EXERCISE, It takes 7 minutes for Isabella to walk around the gym track twice. At this rate, how many times can Isabella walk around the track in a half hour?

Short Answer

Expert verified

The number of rounds in 30 seconds is n=847rounds.

Step by step solution

01

Step-1. Write down the given statement.

It is given that two rounds of track take 7 minutes.

02

Step-2. Evaluate the number of rounds (n) by time-speed-distance formula.

Speed=DistanceTime

Speed remains the same. Therefore, the proportion can be written as:

role="math" localid="1642704122464" 27鈥夆赌�=n30n7=2307n=607n7=607n=847rounds

03

Step-3. Conclusion from evaluated number of rounds.

The number of rounds in 30 seconds is n=847rounds.

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