Rectangular 7215

The rectangular rink with dimensions of 50 m and 25 m should be covered with a layer of ice 4 cm high. How many liters of water are needed to make ice if the ice volume is 10% greater than the volume of water?

Correct answer:

V =  45454.5 l

Step-by-step explanation:

a=50 m dm=50 10  dm=500 dm dm b=25 m dm=25 10  dm=250 dm dm c=4 cm dm=4:10  dm=0.4 dm dm  V1=a b c=500 250 0.4=50000 l q=100%+10%=1+10010=1.1  V1=V q V=V1/q=50000/1.1=45454.5 l

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