03-08-2016
Mathematics

contestada

The total capacity of 6 jugs and 12 glasses is 21 litres. The capacity of the jug is 5 times that of a glass. Find the capacity of each glass. Give your answer in litres

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KONSETON KONSETON

03-08-2016

x-jugs
y-glasses

6x+12y=21l
x=5y

6(5y)+12y=21l
x=5y

30y+12y=21l
x=5y

42y=21l
x=5y

1l=2y
x=5y

x=12,5 l
y=2,5 l

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