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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 worled together?
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1 vote
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 worled together?

User Gnuf
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1 Answer

1 vote

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

User Alex Dunae
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