Seudónimo Seudónimo

19-09-2016
Mathematics

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John is filling a bathtub that is 18 inches deep. He notices that it will take 2 minutes to fill the tub with three inches of water. He estimates it will take ten more minutes for the water to reach the top of the tub if it continues at the same rate. Is he correct? Explain.

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AnnieLee AnnieLee

19-09-2016

Answer: 12 minutes.

Because since it takes 2 mins for 3 inches of water, it would take 12 for 18, since ratio: 2:3=12:x then x=18

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