A plumber charges customers $48 for each hour worked plus an additional $9 for travel. If h represents the number of hours worked, which of the following expressions could be used to calculate the plumber's total charge in dollars?
  1. 48 + 9 + h
  2. 48 x 9 x h
  3. 48 + (9 x h)
  4. (48 x 9) + h
  5. (48 x h) + 9
Explanation
Answer: E - (48 x h) + 9
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