a plastic pipe 50 meters long weights 4 kilograms what is the weight of a similar pipe that is 20 meters long
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10 weights is the right answer
aadi09:
wrong
I see
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the question is of direct proportion
as the length of pipe increases the weight also increase
that's why
ratio remains constant
let weight of 20 metre pipe be x
50/4=20/x
50x=80
x=80/50
x=1.6 kg
so weight of 20 metre pipe is 1. 6 kg
as the length of pipe increases the weight also increase
that's why
ratio remains constant
let weight of 20 metre pipe be x
50/4=20/x
50x=80
x=80/50
x=1.6 kg
so weight of 20 metre pipe is 1. 6 kg
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