4 years ago

An appliance company uses the function f

Mathematics

1 answer:

inessss [21]4 years ago

7 0

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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