SOLUTION: JoAnn works in the publicity office at the state university. She is paid $12 an hour for the first 35 hours she works each week and $18 an hour for every hour after that. If she ma

Algebra ->  Customizable Word Problem Solvers  -> Misc -> SOLUTION: JoAnn works in the publicity office at the state university. She is paid $12 an hour for the first 35 hours she works each week and $18 an hour for every hour after that. If she ma      Log On

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Question 1068558: JoAnn works in the publicity office at the state university. She is paid $12 an hour for the first 35 hours she works each week and $18 an hour for every hour after that. If she makes $492 one week, how many hours did she work?
Found 2 solutions by josgarithmetic, ikleyn:
Answer by josgarithmetic(39616) About Me  (Show Source):
You can put this solution on YOUR website!
Money from the boundary hours:
12%2A35=420
420 dollars, before earning at the higher rate.

492-420=72------the money earned after the first 420 dollars, this $72 at the higher rate.
72%2F18=4
4 hours at this $18/hour rate.

Total hours worked
cross%2812%2B4=highlight%2816%29%29----mistook 35 and 12
35%2B4=highlight%2839%29

Answer by ikleyn(52776) About Me  (Show Source):
You can put this solution on YOUR website!
.
Total hours worked

35%2B4=highlight%2839%29



The answer by "josgarithmetic" is WRONG.