Problem Solver

[Guest]

A carpander agrees that during a specified 30 hour period he be paid $15.50 every hour he works and that he pay $16.60 every hour he does not work. At this end of 30 hours, he finds he has earned $47.70. How many hours did he work?

 

[Denis]

A carpander agrees that during a specified 30 hour period he be paid $15.50 every hour he works and that he pay $16.60 every hour he does not work. At this end of 30 hours, he finds he has earned $47.70. How many hours did he work?

w = worked hours; so not worked = 30 - w

15.5w - 16.6(30 - w) = 47.7

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