Question

if 57 book weight 11kg 400gm find the weight of of 71 such books

Answer 1

dividing 11.4kg by 57, we get 0.2 kg...now tjis is the weight on one book....so we need to multiply if with 71....and we get 14.2kg

Answer 2

Answer:

let the weight be x

57/11400=71/x

x= 71*11400/57

x=142000

x=14.2 kg

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