Two mechanics worked on a car. the first mechanic worked for
10
hours, and the second mechanic worked for
5
hours. together they charged a total of
$1000
. what was the rate charged per hour by each mechanic if the sum of the two rates was
$155
per hour?

X - the rate charged by the first mechanic
y - the rate charged by the second mechanic

The sum of the two rates was $155.


The first mechanic worked for 10 hours, the second mechanic worked for 5 hours, and together they charged $1000.


Set 155-x and 200-2x equal to each other:


The rate charged by the first mechanic was $45, and the rate charged by the second mechanic was $110.