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asenath6636
21.07.2019 •
Mathematics
The cost to repair linda's car is $500, including parts and labor. the cost of parts is $140. if the cost of labor is $40 per hour, how many hours of labor did the repairs take? a. 20 b. 1 c. 8 d. 9
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Ответ:
500-140=360
Because it’s $40 an hour:
360/40=9
Option D. : 9 hours
Ответ:
try and solve like this (
2
x
−
1
)
2/1
Step-by-step explanation: