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Mathematics 18 Online
OpenStudy (anonymous):

If 4 people can paint 10 doors in 2 hours, how many people can paint 25 doors in 5 hours?

OpenStudy (anonymous):

Let's assume 2 people can paint 5 doors in 1 hour... Which I think is correct. Divide 25 doors by 5 doors. multiply each number in the equation by 5. 2x5 = 10 people 1x5 = 5 hours 10 people can paint 25 doors in 5 hours.

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