Question

36 is 50% of what number?

Answer 1

72
36=.5x
So if 36 is half of x then you multiply both sides by 2 which gives you

72=x

Answer 2

`x-searched\ number\\\\50\%=0.5\\\\36=0.5x\ \ \ \ |\cdot2\\\\x=72\\\\36\ is\ 50\%\ of\ 72.`