SOLUTION: If hole is 3 ft L x 5 ft W x 5 inches deep = _______ How many Gallons can the MTY hole contain ? Know 7.48052 gallons per 1 cubic foot. 3 ft by 5 ft by 5 inches = 3 ft by 5 ft

Question 1123659: If hole is 3 ft L x 5 ft W x 5 inches deep = _______ How many Gallons can the MTY hole contain ? Know 7.48052 gallons per 1 cubic foot.
3 ft by 5 ft by 5 inches = 3 ft by 5 ft by __?___ ft because ? = ?
Scientific Calculator: 3 x 5 (5/12) = 6 x 7.48052 = 47 Gallons. But I don't know how to go 3ftx5ftx5inches/12"x7.48052 = _______ I don't know how to do it this way. I can't remember how to put 5/12 into a fraction to reach 47 gallons.Its nice having the help of the Scientific Calculator but I'd like to understand how I got 47 gallons answer. I'm 70 years old and never mastered Algebra. Thank you for your help. Sincerely, Charles Ogle , Tampa, FL 68/69 Vietnam Vet

Answer by Alan3354(69443) (Show Source): You can put this solution on YOUR website!
If hole is 3 ft L x 5 ft W x 5 inches deep = _______ How many Gallons can the MTY hole contain ? Know 7.48052 gallons per 1 cubic foot.
3 ft by 5 ft by 5 inches = 3 ft by 5 ft by __?___ ft because ? = ?
Scientific Calculator: 3 x 5 (5/12) = 6 x 7.48052 = 47 Gallons. But I don't know how to go 3ftx5ftx5inches/12"x7.48052 = _______ I don't know how to do it this way. I can't remember how to put 5/12 into a fraction to reach 47 gallons. Its nice having the help of the Scientific Calculator but I'd like to understand how I got 47 gallons answer. I'm 70 years old and never mastered Algebra. Thank you for your help. Sincerely, Charles Ogle , Tampa, FL 68/69 Vietnam Vet
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3 ft L x 5 ft W x 5 inches deep = 36*60*5 = 10800 cubic inches.
1 gallon = ~232 cu inches
10800/232 = ~ 47 gallons.
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The units for the 3 measurements have to match, either all feet or all inches.
----
5 inches = 5/12 feet.
--> 3*5*(5/12) = 6.25 cu ft.
6.25*7.48 = ~ 47 gallons, same result.
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1st Cav Division, June 68-69
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