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. ho
w long will it take for both abe and gabe to cost the same amount?
2 answers:
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
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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