Verified Answer :

50% of x is 12
of, means multiply so
50% times x=12
percent means parts out of 100 so 50%=50/100=1/2
1/2 times x=12
multiply both sides by 2
x=24

the number isi 24

12...................50%


X.....................100%


X=12ยท100:50


X=1200:50


X=24