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Gary exercises 1.75 hours on Mondays, Wednesdays, and Saturdays.

1. How many weeks will it take Gary to exercise a total of 21 hours?

2. What equation models the problem?

3. How many weeks will it take Gary to exercise a total of 21 hours?

Answer :

The equation is 5.25x = 21 and number of weeks should be 4 weeks to exercise 21 hours.

Calculation of equation and number of weeks:

Since Gary exercises 1.75 hours on Mondays, Wednesdays, and Saturdays.

So here we know that the week contain 7 days so here, the equation should be

3(1.75)x = 21

5.25x = 21

Here x be the number of weeks

So, the number of week should be 4

Learn more about equation here: https://brainly.com/question/24685162

Answer:

3(1.75)×=21 and the total is 4

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