Two mechanics worked on a car. the first mechanic worked for 10 hours, and the second mechanic worked for 15 hours. together they charged a total of $1225. what was the rate charged per hour by each mechanic if the sum of the two rates was $100 per hour?

Question

Mathematics

Frey

15 February, 18:49

Two mechanics worked on a car. the first mechanic worked for 10 hours, and the second mechanic worked for 15 hours. together they charged a total of $1225. what was the rate charged per hour by each mechanic if the sum of the two rates was $100 per hour?

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Answers (1)

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Tabitha Ford · Answer 1

M1+m2=100

10m1 + 15m2=1225

m1=100-m2

10 (100-m2) + 15m2=1225

1000-10m2+15m2=1225

5m2=225

m2=45

mechanic 1 charges 55$ and mechanic 2 charges 45$ per hour