Question

The sum of two number is 143 and there ratio is7:4.Find the numbers.

Answer 1

let one number be 7x and other be 4x
them given
7x+4x=143
11x=143
=x=13
hence the number are
7×13=91
4×13=52

Answer 2

$let \: the \: ratio \: be \: 7x \: n \: 4x$
therefore, 7x+4x=143
11x =143
x=13

7x=7×13 =91
4x=4×13=52