SOLUTION: 1. Nick worked 16 hours last week. He earned $5 per hour at a local restaurant and $5.50 per hour at a grocery store. If he earned a total of $82, how many hours did he work at the

Algebra ->  Graphs -> SOLUTION: 1. Nick worked 16 hours last week. He earned $5 per hour at a local restaurant and $5.50 per hour at a grocery store. If he earned a total of $82, how many hours did he work at the      Log On


   

Question 352334: 1. Nick worked 16 hours last week. He earned $5 per hour at a local restaurant and $5.50 per hour at a grocery store. If he earned a total of $82, how many hours did he work at the grocery store?
Answer by rfer(16322) About Me  (Show Source):
You can put this solution on YOUR website!
r+g=16
5r+5.5g=82
5r+5.5*(16-r)=82
5r+88-5.5r=82
-.5r=-6
r=12
g=4
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5*12+5.5*4=
60+22=82