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A metal pipe 3 metre long was found to weigh 7.6 kg. What would be the weight of the same kind of 7.8 m long pipe?

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A metal pipe 3 metre long was found to weigh 7.6 kg. What would be the weight of the same kind of 7.8 m long pipe?

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The weight of 3 metre long pipe = 7.6 kg

∴ The weight of 1 metre long pipe = 7.6/3 kg

Thus, the weight of 7.8 metre long pipe

= 7.6/3 x 7.8 kg

= 19.76 kg

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