Question

a student was asked to multiply a given number by 4.5 by mistake he divided the given number by 4 upon 5 please answer was 36 more than the correct answer that was the given number

Answer 1

X÷4/5=x×5/4=(5/4)X ....1
4.5x=(45/10)X .....2
Sub eq 2 from 1 we get 36
(5/4)X-(45/10)X=36
-65X=720
X=-720/65