Following the directions below, calculate how much water could be
collected from the rooftops of the buildings on campus if the storm
produced ?.? cm (? in) of rain. What will be an ideal response?
a. Convert centimeters to meters of rain (??? cm = ? m).
2.5 cm ÷ 100 cm/m = 0.025 m
b. Calculate the volume of rain on the rooftops, in cubic meters. (Hint:Volume
= area of rooftops [m?] calculated in question ?? × depth of
water [m] calculated in question ??a.)
1,300,000 m2 x 0.025 m = 32,500 m3
c. Convert the volume of water collected from the rooftops to gallons.
(Hint: Multiply your answer from question ??b by ??? gal/m?.)
32,500 m3 x 264 gal per m3 = 8,580,000 gal
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