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xoxo4849
21.08.2019 •
Mathematics
Algebra
a repair bill for your car is $544. the parts cost $265. the labor cost is $48 per hour.
write and solve an equation to find the number of hours of labor spent repairing the car.
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Ответ:
The parts is a one time bill of $265
The labor is $48 per hour, and lets call the hours 'h'
So we can make the equation as:
544 = 265 + 48h
Subtract 265 n both sides
279 = 48h
Divide by 48 on both sides
h = 5.8125
So the number of hours of labor spent repairing the car is 5.8125.
Ответ:
544 = 265 + 48x
The first step is to subtract 265 from both sides.
279 = 48x
The next step is to divide by 48 on both sides.
x=5.8125
That means that the mechanic worked for 5.8125 hours.
Ответ: