Question

2/5 of a number subtracted from 5/2 of a same number make 7/2 the number is

Answer 1

Step-by-step explanation:

According to Question....

2/5 (of number) is substracted from 5/2( of number)= 7/2

let number be x

then

5/2(x) - 2/5(x) =7/2

(5x/2 - 2x/5) = 7/2

[(5(5x) - 2(2x)] / 10 = 7/2

[ 25x-4x] /10 = 7/2

21x/10=7/2

x = 7/2 ×10/21

x = 5/3 Ans.....