SOLUTION: Plunbing service charges $35 dollars per hour plus a $25 dollar travel charge for a service call. Good Guys Plumbing charges $40 dollars per hour with no travel charge How long mus
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Question 1048928: Plunbing service charges $35 dollars per hour plus a $25 dollar travel charge for a service call. Good Guys Plumbing charges $40 dollars per hour with no travel charge How long must a service call be for the same two companies to charge the same Answer by addingup(3677) (Show Source):
You can put this solution on YOUR website! 25+35x = 40x reverse the equation
40x = 25+35x subtract 35x on both sides
5x = 25
x = 5 hours. At 5 hours the cost is the same. Note that after 5 hours Plumbing Services is cheaper. You can do this easily by plugging in numbers into the equation.
Example: 6 hours
Plumbing = 25+35(6) = 235
Good Guys = 40*6 = 240
:
John
