Answer:
$144
Explanation:
If the price of an item whose original cost is F dollars is reduced by 50%, the new price of the item must be equivalent to the difference between the original and the amount by which it was reduced. This new price must be equal to
= F - (50% *F)
= 0.5F (measured in $)
If the new price is further reduced by 50%, the new price will be
= 0.5F - (50% * 0.5F)
= 0.5F - 0.25F
= 0.25F
if the price of the dress after both reductions is $36, then it means that
0.25F = $36
F = $36/0.25
= $144
The original price was $144