SOLUTION: Kelly works in a store that pays $5.90 per hour and as a waitress that pays $12 an hour. Last week she worked 9 more hours at the store than she did as a waitress and earned $159.

SOLUTION: Kelly works in a store that pays $5.90 per hour and as a waitress that pays $12 an hour. Last week she worked 9 more hours at the store than she did as a waitress and earned $159.

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Question 296606: Kelly works in a store that pays $5.90 per hour and as a waitress that pays $12 an hour. Last week she worked 9 more hours at the store than she did as a waitress and earned $159.75. How many hours did she work at each job?
Answer by richwmiller(17219) (Show Source): You can put this solution on YOUR website!
5.9*(x+9)+12*x=159.75
x=5.9581 hrs
x+9=14.9581 hrs
full hours
5.9*15+12*6=160.5

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