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a car needw fixing and abe can fix it for $70 per hour with a $130 part, but gabe can fix it for $80 an hour with a $40 part. how long will it take for both abe and gabe to cost the same amount?

Respuesta :

kelseyclaire101
70 + 130 = 200
This would be Abe’s one hour of work and the part
80 + 80 + 40 = 200
This would be Gabe’s two hours of work and the part
yves379

Answer:

The answer is 9

Step-by-step explanation:

(x represents the hours)

130 + 70x = 40 + 80x

70x - 80x = 40 - 130

-10x = -90

-x = -9

x = 9


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