Two mechanics.

Question

Two mechanics work on a car. The first mechanic worked for 5 hours, and the second mechanic worked for 15 hours. Together they chrged a total of $2375. What was the rate charged per hour by each mechanic if the sum of the two rates was $235 per hour?

Answer 1

Dan, 

 

See the solution to this same problem, just below this one on the web page.