A puddle on a flat roof, 20'x20'x1 deep weighs:?
Question:A 500 pounds
B 100 pounds
C 50 pounds
D 1 ton
Answers:
D if it's 1"
A gallon of water weighs 8 pounds.
20' x 20' by what 1 inch? one foot? one yard? one mile?
20' square or 20' round puddle?
more than your mom?
20'x20'x1 inch = 2077 pounds = over 1 ton
20'x20'x1 foot = 24929 pounds = over 12 tons
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