GraigGlos288 GraigGlos288

27-08-2015
Mathematics

Answered

An appliance company uses the function f

h. = 40h + 120 to calculate the total repair bill, f

h. , for h number of hours worked. Find h if f

h. = $200.

Verified Answer :

olemakpadu olemakpadu

27-08-2015

fh. = 40h + 120, fh. = $200

200 = 40h + 120
200 - 120 = 40h
80 = 40h
80/40 = h
2 = h

h = 2 hours.

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