Question

A postive number is 5 time another number if 21 is addit to the bouth number then one of the number becames twice the aouther new number what are the number

Answer 1

let the number be x

the positive number be 5x

by the question

2(x+21)=5x+21

2x+(2×21)=5x+21

2x+5x=42+21

3x =21

x= 21/3

x=7

one number be 7

other number be 5×7=35

hope it help