g/mL. Which metal, zinc of coppel ias u y 16. California has been experiencing a

Question

g/mL. Which metal, zinc of coppel ias u y 16. California has been experiencing a serious drought for many years. Many households are trying to save water using a variety of techniques. In many homes, flushing the toilet is responsible for the largest amount of water usage. According to the World Toilet Organization (I'm not making this up, www.worldtoilet.org) the average person flushes the toilet 7 times a day. Placing a brick into the reservoir tank of a toilet reduces the amount of water required to fill the tank. A typical brick has a volume of 1430 cm a. How many gallons of water can be saved each day in a household consisting of 4 average" people by placing a brick in the reservoir tank? (1 gallon 3.78541 L)

Explanation / Answer

1430 cm^3 = 1430 ml or 1.430 litre ( volume of brick )

1cm^3 = 1 ml

For 7 times in a day , volume = 1.430*7 = 10.01 litre

For 4 people amount of water will be = 10.01*4 = 40.04 litre

1 gallon = 3.78541 litre

Amount in gallon = 40.04 / 3.78541 = 10.57745 gallons

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