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Haneendye123
23.01.2021 •
Mathematics
The Slow Fix auto shop charges $28 for parts and $48 per hour of labor. The We Work Cheaper auto shop charges $59 for parts and $44.90 per hour of labor. For how many hours will the total cost the same for both auto shops?
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Ответ:
10 hours
Step-by-step explanation:
Given
Slow fix auto charge $28 for parts and $48 per hour of labor
We work charge $59 for parts and $44.90 per hour of labor
Suppose both works for x hours
Cost of Slow fix=![\$(28+48x)](/tpl/images/1059/5516/90ed9.png)
Cost of We work=![\$(59+44.90x)](/tpl/images/1059/5516/d7747.png)
When these costs are the same
Ответ:
60x+30y=43.75
30x=6.25
x=$.21 for one apple
2.10+5y=8.75
5y=6.65
y=$1.33 for one orange