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3 years ago

7

Marta can clean a house in 1 hours. It takes her daughter 1 hr and 30 mins to vacum the house. How long would it take if they wo

rled together?

1 answer:

astra-53 [7]3 years ago

8 0

Easy! 1 hour - 1 hour and 30 minutes = 30 minutes(together)

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