SOLUTION: A plumber tells you that he charges $40 just to show up and after that it is $80 per hour plus materials. Produce an algebraic formula to describe this situation.

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Question 1126489: A plumber tells you that he charges $40 just to show up and after that it is $80 per hour plus materials. Produce an algebraic formula to describe this situation.
Answer by ikleyn(52769) About Me  (Show Source):
You can put this solution on YOUR website!
.
Payment = $40 + $80*time (in hours) + cost of Materials.


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In my view, any person, who can read English and understand the meaning of words, can write such a formula without making efforts.


So, honestly, I do not understand the reason to post such simple problem to the forum.


What is an educational value of it - it is a mystery for me . . .