50%
24 *x/100 = 12...so then 24x/100 = 12.
then x= 12 *100/24
so x =50%/
**but if u are not sure at these problems first see. that $24 she percent of it is 12 which is exactly half. So 50% off makes sense. 50%
ALSO...in math of can mean multiply..that can help u remember
