Answer:
$9.9
Step-by-step explanation:
If the discount was 10%, then the dress was bought at 90% which is $89.10,
if
90%=89.10
then,
100%=Y, Let Y be our amount in Dollars
therefore,
90Y= 89.10
Y= (89.10X100) ÷ 90
Y= 8910÷90
Y= $99
This means that the 10% savings is,
Original price-Buying price
$99.00-$89.10 which is $9.9
