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01-09-2018
Mathematics

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The formula C = 15x + 30 relates the total cost of reserving a shelter at the water park, where x is the number of hours needed. If you have $90 available, how many hours can you use the shelter?

Respuesta :

Аноним Аноним

01-09-2018

90 = 15x + 30

...subtract 30

60 = 15x

...divide 15

x = 4 hours

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