Question

if 4 upon 7 of a piece of metal weights 28 kg find the weight of 8 upon 9 of the same piece of metal with unitery method and proportion method​

Answer 1

Answer:

let the piece of metal be 'x' 4/ 7 of x = 284 × x / 7 = 284x = 196 => x = 49kgthus, weight of metal x = 49kgFind the 8/ 9 of the same piece of metal ,

Answer 2

Answer:

let the piece of metal be 'x' 4/ 7 of x = 284 × x / 7 = 284x = 196 => x = 49kgthus, weight of metal x = 49kgFind the 8/ 9 of the same piece of metal