Question

10% of x is 20 find x

Answer 1

$x \div 100 \times 10 = 20 \\ x = 200$
so if 10% of x is 20 then x=200

Answer 2

10% of x is 20
according to formula
= 20/x × 100 = 10%
= 2000/x = 10%
= × = 200