Question

2/5 is 510 . what is 10% of that number?

Answer 1

According to the Question 2/5×x=510
= x = 510×5/2 = 1275
10% of 1275 = 10/100×1275
= 127.5

Answer 2

x*2/5=510 2x=510*5=2550 x=2550/2=1275 10%*x=1275*10%=127.5