SOLUTION: Two mechanics worked on a car. The first mechanic worked for 15 hours, and the second mechanic worked for 5 hours. Together they charged a total of $1550 . What was the rate charg
Algebra.Com
Question 830814: Two mechanics worked on a car. The first mechanic worked for 15 hours, and the second mechanic worked for 5 hours. Together they charged a total of $1550 . What was the rate charged per hour by each mechanic if the sum of the two rates was $140 per hour?
I need step by step instruction
Answer by Fombitz(32388) (Show Source): You can put this solution on YOUR website!
Let the rates be and .
1.
2.
From 1,
Substitute into eq. 2,
Then from eq. 1,
RELATED QUESTIONS
Two mechanics worked on a car. The first mechanic worked for 5 hours and the second... (answered by ewatrrr)
Two mechanics worked on a car. The first mechanic worked for 15 hours, and the second... (answered by josmiceli)
Two mechanics worked on a car. The first mechanic worked for
5 hours, and the second... (answered by josgarithmetic)
Two mechanics worked on a car. The first mechanic worked for 5 hours, and the second... (answered by macston)
Two mechanics worked on a car. The first mechanic worked for
15
hours, and the second (answered by josgarithmetic,MathTherapy)
Two mechanics worked on a car. The first mechanic worked for 5 hours, and the second... (answered by ikleyn)
Two mechanics worked on a car. The first mechanic worked for
5 hours, and the second... (answered by ankor@dixie-net.com)
Two mechanics worked on a car. The first mechanic worked for 15 hours, and the second... (answered by josgarithmetic,ikleyn)
Two mechanics worked on a car. The first mechanic worked for five hours and the second... (answered by lwsshak3)