Question

50% of a certain number is 12. What is the number?

Answer 1

12...................50%
X.....................100%
X=12·100:50
X=1200:50
X=24

Answer 2

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