Question

A number is divided into two parts such that one<br />part is 15 more than the other. If the two parts<br />are on the ratio 7:4. Find the number.​

Answer 1

let the each parts be 7x and 4x

according to the question

7x=4x+15 given

3x=15

x=5

hence the parts are 7x=35 and 4x= 20