PSLE Linda bought 2 fans of the same model at a sale. She paid $67.85 for them.
- What was the price of the fan before discount?
- Ivan also bought 2 such fans at the price before discount. How much more did Ivan pay than Linda?
|
Fan 1 |
Fan 2 |
Total |
Before |
100% |
100% |
200% |
Change (Discount) |
- 20% |
- 65% |
|
After |
80% |
35% |
115% |
(a)
Amount that Linda paid for the 2 fans in percent
= 80% + 35%
= 115%
115% → 67.85
1% → 67.85 ÷ 115 = 0.59
100% → 100 x 0.59 = $59
Price of the fan before discount = $59
(b)
Amount that Ivan paid more than Linda
= 20% + 65%
= 85%
= 85 x 0.59
= $50.15
Answer(s): (a) $59; (b) $50.15