SOLUTION: During the summer, Heather has two part time jobs. SHE earns $7 an hour as a lifeguard and $10 an hour as a tutor. This week, Heather works a total of 35 hours. If Heather earns $2

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Question 1070448: During the summer, Heather has two part time jobs. SHE earns $7 an hour as a lifeguard and $10 an hour as a tutor. This week, Heather works a total of 35 hours. If Heather earns $290 in a week, how many hours does she work at each job?
Answer by Boreal(15235) About Me  (Show Source):
You can put this solution on YOUR website!
Lifeguard=x
tutor=35-x
7x+10(35-x)=290
7x+350-10x=290
-3x=-60
x=20 hours as a lifeguard ($140)
35-x=15 hours as a tutor ($150)
adds to $290.