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Mila [183]
3 years ago
7

Jasmine can oil the lanes in a bowling alley in 10 hours. One day her friend joe helped her and it only took 4.44 hours. Find ho

w long it would take joe to do it alone
Mathematics
1 answer:
uranmaximum [27]3 years ago
6 0

Jasmine's rate is 1/10 alleys per hour

Together their rate is 1/4.44 alleys per hour.

Joe's rate must be

1/4.44 - 1/10 = 139/1110  alleys per hour

It would take Joe

1110/139 ≈ 7.99 hours to do an alley alone.

Let's call it 8 hours.



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