Problema Solution
two mechanic work on a car. 1st mechanic worked 10 hrs. second worked 15 hrs. together they charged $1950 what was the rate charged per hour by each mechanic of the sum of the two rates was $155 per hour?
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two mechanic work on a car. 1st mechanic worked 10 hrs. second worked 15 hrs. together they charged $1950 what was the rate charged per hour by each mechanic of the sum of the two rates was $155 per hour?
Solution:
First rate: x
Second rate: 155-x
So
10x+15(155-x)=1950
x = 75
So first mechanic charged $75 per hour and second $80 per hour