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nirvana33 [79]
3 years ago
15

Two mechanics worked on a car. First mechanic worked 20 hours, and the second worked 5 hours. Together the charged $1800. What w

as the rate charge by each if the some of both rates was 135 per hour?
Mathematics
1 answer:
kipiarov [429]3 years ago
6 0

Answer:

Step-by-step explanation:

let one charge=x

second charge=135-x

20x+(135-x)5=1800

4 x+135-x=360

3x=360-135=225

x=75 $

first charges $ 75 for 20 hours

second charges =135-75=$60 for 5 hours.

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