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Nezavi [6.7K]
3 years ago
8

A plumber earns $15 per hour more than her apprentice. For a 40-hour week, their combined earnings are $2200. What is the hourly

rate for each person?
Mathematics
1 answer:
oksian1 [2.3K]3 years ago
6 0
Say the apprentice earns x dollars an hour, and the plumber earns x+15 dollars per hour.  Write the equation:

40(x+x+15)=2200

Dividing by 40, we see that:

2x+15=55

Subtracting 15, we see that 2x=40, so x=20.  As a result, the apprentice earns $20 an hour, and the plumber earns #35 per hour.
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