The Drama Club buys coupon books at $12 each for a fundraiser. They are marked up 150%. How much do they sell for?
A) $6.
B) $12.
C) $15.
D) $18.
we know that
$12 ------> represent 100%
so
Applying proportion
12/100%=x/150%
solve for x
x=(12/100)*150
x=$18
the answer is the option D