# SOLUTION: Two mechanics worked on a car. The first mechanic charged \$45 per hour, and the second mechanic charged \$85 per hour. The mechanics worked for a combined total of 20 hours, and tog

Algebra ->  Algebra  -> Coordinate Systems and Linear Equations  -> Linear Equations and Systems Word Problems -> SOLUTION: Two mechanics worked on a car. The first mechanic charged \$45 per hour, and the second mechanic charged \$85 per hour. The mechanics worked for a combined total of 20 hours, and tog      Log On

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 Click here to see ALL problems on Linear Equations And Systems Word Problems Question 414122: Two mechanics worked on a car. The first mechanic charged \$45 per hour, and the second mechanic charged \$85 per hour. The mechanics worked for a combined total of 20 hours, and together they charged a total of \$1100 . How long did each mechanic work?Answer by josmiceli(9654)   (Show Source): You can put this solution on YOUR website!Let = hours that 1st mechanic worked Let = hours that 2nd mechanic worked given: (1) (2) Multiply both sides of (2) by and subtract (2) from (1) (1) (2) and (2) (2) 1st mechanic worked 15 hrs 2nd mechanic worked 5 hrs