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At 9 AM, a bird bath contained 7/8 gallon of water. Each hour, 1/16 gallon evaporated. What time was it when 1/4 gallon remained

At 9 AM, a bird bath contained 7/8 gallon of water. Each hour, 1/16 gallon evaporated. What time was it when 1/4 gallon remained
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At 9 AM, a bird bath contained 7/8 gallon of water. Each hour, 1/16 gallon evaporated. What time was it when 1/4 gallon remained

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User Florent DUGUET
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it was 7pm when there was only 1/4gallons left
answered
User Zobeida
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the time would be 7pm because if you multiply 7/8 by 2 it would equal 14/16 then you can add hours and subtract one 1/16 at a time until you have 4/16 aka 1/4

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User Dutchman
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