Asked by mace
two mechanics worked on a car the first mechanic worked for 5 hours and the second mechanic worked for 15 hours together they charged a total of 1750 what was the rate charged per hour by each mechanic if the sum of the two rates was 160 per hour
Answers
Answered by
Reiny
rate of first --- $x
rate of 2nd ---- $ (160-x)
5x + 15(160-x) = 1750
5x + 2400 - 15x = 1750
-10x = -650
x = 65
1st one charged $65 per hour
2nd charged $95 per hour
check:
5(65) + 15(95) = 1750
65+95 = 160
rate of 2nd ---- $ (160-x)
5x + 15(160-x) = 1750
5x + 2400 - 15x = 1750
-10x = -650
x = 65
1st one charged $65 per hour
2nd charged $95 per hour
check:
5(65) + 15(95) = 1750
65+95 = 160
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