PSLE
Anna wanted to buy a blouse. She saw a red blouse on sale at 20% discount and a yellow blouse at 30% discount. Both blouses had the same original price before the discounts. To buy the red blouse, Anna would need $8.80 more that what she had. So Anna bought the yellow blouse. After that, she had $5 left.

1. What was the original price of the red blouse?
2. How much money did Anna have at first?

	Red blouse	Yellow blouse
Before	100%	100%
Change	- 20%	- 30%
After	80%	70%

(a)
Difference in the discount between the red blouse and the yellow blouse
= 30% - 20%
= 10%

Additional amount that Anna needed to pay if she would buy the red blouse
= 8.80 + 5
= $13.80

10% →  13.80
100% → ^13.80₁₀ x 100 = 138

Original price of the red blouse = $138

(b)
Price of the yellow blouse after discount in percentage
= 100% - 30%
= 70%

Price of the yellow blouse after discount
= ⁷⁰₁₀₀ x 138
= $96.60

Amount that Anna had at first
= 96.60 + 5
= $101.60

Answer(s): (a) $138; (b) $101.60