Question

if you subtract 1.2 from a number and multiply the result by 1.2 you get 1.8 what is the number

Answer 1

Let the no. be x

ATQ,
(x-1.2)×1.2 =1.8
x-1.2 =1.8/1.2
x-1.2 =(18/10)÷(12/10)
x -1.2 =3/2
x-(12/10) =3/2
x=(3/2)+(12/10)
x=(15+12)/10
x=2.7


Thus,
The no. is 2.7...

Hope it will help u...