SOLUTION: During summer vacation, you charge people $10 per hour to teach their children math and a flat rate of $12 for the cost of driving there. If you make $42 one day, how many hours

Algebra ->  Coordinate Systems and Linear Equations  -> Linear Equations and Systems Word Problems -> SOLUTION: During summer vacation, you charge people $10 per hour to teach their children math and a flat rate of $12 for the cost of driving there. If you make $42 one day, how many hours      Log On


   

Question 1098130: During summer vacation, you charge
people $10 per hour to teach their children
math and a flat rate of $12 for the cost of
driving there. If you make $42 one day, how many hours did you spend teaching?
Answer by josmiceli(19441) About Me  (Show Source):
You can put this solution on YOUR website!
Let +t+ = number of hrs spent teaching
+10t+%2B+12+=+42+
+10t+=+30+
+t+=+3+
You spent 3 hrs teaching