PSLE Fanny bought 2 fans of the same model at a sale. She paid $144.40 for them.
- What was the price of the fan before discount?
- Peter also bought 2 such fans at the price before discount. How much more did Peter pay than Fanny?
|
Fan 1 |
Fan 2 |
Total |
Before |
100% |
100% |
200% |
Change (Discount) |
- 35% |
- 70% |
|
After |
65% |
30% |
95% |
(a)
Amount that Fanny paid for the 2 fans in percent
= 65% + 30%
= 95%
95% → 144.40
1% → 144.40 ÷ 95 = 1.52
100% → 100 x 1.52 = $152
Price of the fan before discount = $152
(b)
Amount that Peter paid more than Fanny
= 35% + 70%
= 105%
= 105 x 1.52
= $159.60
Answer(s): (a) $152; (b) $159.60