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musickatia [10]
3 years ago
10

An appliance company uses the function f

Mathematics
1 answer:
inessss [21]3 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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