The answer is: 9 blouses.
The explanation is shown below:
1. The remainder is:
2. She used
of the remainder to buy 2 pair of pants:
3. Then, she used
of the money to buy 2 pairs of pants. For each one she used:
÷
=
of the money for a pair of pants.
4. A pair of pants costs 3 times as much as a blouse, therefore you can write the following expression:
Where
is the cost of 1 blouse
5. Solve for
:
for each blouse
6. If she used
of the money for 1 blouse, you have the following amount of blouses bought with
of the money:
Where
is the total number of blouses.