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charlotte is working two summer jobs, making $18 per hour lifeguarding and making $6 per hour walking dogs. In a given week, she can work at most 15 total hours and must earn a minimum of $150. if charlotte worked 5 hours walking dogs, determine the minimum of whole hours lifeguarding that she must work to meet her requirements.

Respuesta :

Euphrosyne

Answer:

So, 5 x 6 = 30

150 - 30 = 120

Then find out the number of hours by dividing 120 by 18.

In this case,

120 / 18 = 6.666666666666667

The answer is 6.6 or at estimation 7.

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