PSLE
Nora wanted to buy a jumpsuit. She saw a white jumpsuit on sale at 15% discount and a purple jumpsuit at 25% discount. Both jumpsuits had the same original price before the discounts. To buy the white jumpsuit, Nora would need $7.40 more that what she had. So Nora bought the purple jumpsuit. After that, she had $20 left.

1. What was the original price of the white jumpsuit?
2. How much money did Nora have at first?

	White jumpsuit	Purple jumpsuit
Before	100%	100%
Change	- 15%	- 25%
After	85%	75%

(a)
Difference in the discount between the white jumpsuit and the purple jumpsuit
= 25% - 15%
= 10%

Additional amount that Nora needed to pay if she would buy the white jumpsuit
= 7.40 + 20
= $27.40

10% →  27.40
100% → ^27.40₁₀ x 100 = 274

Original price of the white jumpsuit = $274

(b)
Price of the purple jumpsuit after discount in percentage
= 100% - 25%
= 75%

Price of the purple jumpsuit after discount
= ⁷⁵₁₀₀ x 274
= $205.50

Amount that Nora had at first
= 205.50 + 20
= $225.50

Answer(s): (a) $274; (b) $225.50