brain400xx brain400xx

08-05-2016
Mathematics

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It took 3 people [tex]2 \frac{1}{2} [/tex] hours to paint a large room. How long would it take 5 people to paint a similar room?

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08-05-2016

I used an old method I hope u understand. 3 people=150 minutes 1 person=150.3=450 minutes Therefore, 5 people will be 450/5=90 Therefore, the answer is 1hr 30minutes or 90minutes.

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