Question

when a number increased by 10% , it becomes 12, find the number ?​

Answer 1

let a no. = x

increase by 10%

x+ 10 = 12

100

100x +10 = 12

100

100x+10= 12×100

100x=1200-10

x= 1190

100

x= 11.9

Answer 2

$the \: number \: is \: 11.9$