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Amy can clean the interior of her car in 3 hours. If Amy and her husband work together,
they can clean the interior in an hour less time than it took Amy alone. How long will it
take Amy's husband if he cleans the interior of Amy's car alone?
*Enter only your numerical value (you do not need the units *hours)

Sagot :

Answer:

1 hour

Because 3 - 2  = 1.

Therefore, 1 hour only.