PSLE Winnie bought 2 fans of the same model at a sale. She paid $59.85 for them.
- What was the price of the fan before discount?
- Fred also bought 2 such fans at the price before discount. How much more did Fred pay than Winnie?
|
Fan 1 |
Fan 2 |
Total |
Before |
100% |
100% |
200% |
Change (Discount) |
- 45% |
- 60% |
|
After |
55% |
40% |
95% |
(a)
Amount that Winnie paid for the 2 fans in percent
= 55% + 40%
= 95%
95% → 59.85
1% → 59.85 ÷ 95 = 0.63
100% → 100 x 0.63 = $63
Price of the fan before discount = $63
(b)
Amount that Fred paid more than Winnie
= 45% + 60%
= 105%
= 105 x 0.63
= $66.15
Answer(s): (a) $63; (b) $66.15