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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?
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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?

User Tauheedah
by
8.5k points

1 Answer

6 votes

90 = 15x + 30

...subtract 30

60 = 15x

...divide 15

x = 4 hours

User Noah Lavine
by
7.4k points
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