PSLE Pamela bought 2 fans of the same model at a sale. She paid $120.75 for them.
- What was the price of the fan before discount?
- Valen also bought 2 such fans at the price before discount. How much more did Valen pay than Pamela?
|
Fan 1 |
Fan 2 |
Total |
Before |
100% |
100% |
200% |
Change (Discount) |
- 35% |
- 50% |
|
After |
65% |
50% |
115% |
(a)
Amount that Pamela paid for the 2 fans in percent
= 65% + 50%
= 115%
115% → 120.75
1% → 120.75 ÷ 115 = 1.05
100% → 100 x 1.05 = $105
Price of the fan before discount = $105
(b)
Amount that Valen paid more than Pamela
= 35% + 50%
= 85%
= 85 x 1.05
= $89.25
Answer(s): (a) $105; (b) $89.25