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An electrical company uses the function f(h) = 15h + 75 to calculate the total repair bill, f(h), for h number of hours worked. Find h if f(h) = $225.

10 hours
15 hours
3,375 hours
3,450 hours

User Kathy Judd
by
8.2k points

1 Answer

3 votes
The answer is h = 10 hours

225 = 15h + 75
h = 10
User Joseph Adam
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