Question

A number is 2/5 times another number. If their sum is 70 , find the number.

please solve it fast

Answer 1

let the number is x

so other number is 2/5x

now x + 2/5x = 70

7/5x=70

x=50

so numbers are 50 and 50*2/5 = 20

Answer 2

let it be x
x+2/5x=70
7/5x=70
x=70×5/7
×=50