Rectangular rink with dimensions of 68.7 m and 561 dm must be covered with a layer of ice 4.2 cm thick. How many liters of water is necessary for the formation of ice when the volume of ice is 9.7% greater than the volume of water.

Correct answer:

V =  146169 l

Step-by-step explanation:

x=68.7 m dm=68.7 10  dm=687 dm dm y=561 dm z=4.2 cm dm=4.2:10  dm=0.42 dm dm  V1=x y z=687 561 0.42=161870.94 l q=11009.7=1000903=0.903  V=V1 q=161870.94 0.903=146169 l

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