PSLE Marion bought 2 fans of the same model at a sale. She paid $105.45 for them.
- What was the price of the fan before discount?
- Harry also bought 2 such fans at the price before discount. How much more did Harry pay than Marion?
|
Fan 1 |
Fan 2 |
Total |
Before |
100% |
100% |
200% |
Change (Discount) |
- 45% |
- 60% |
|
After |
55% |
40% |
95% |
(a)
Amount that Marion paid for the 2 fans in percent
= 55% + 40%
= 95%
95% → 105.45
1% → 105.45 ÷ 95 = 1.11
100% → 100 x 1.11 = $111
Price of the fan before discount = $111
(b)
Amount that Harry paid more than Marion
= 45% + 60%
= 105%
= 105 x 1.11
= $116.55
Answer(s): (a) $111; (b) $116.55