Question

all the experts if u think u are good in maths then answer this question. the difference of two numbers is 9 and they are in ratio 4:7. find the number NOTE do with only one variable

Answer 1

let one number be 4x and the other number be 7x
so B/Q
7x-4x=9
=3x=9
=x=9/3
=x=3
so one no. = 4x
=12
other no.=7x
=21