PSLE Winnie bought 2 fans of the same model at a sale. She paid $201.30 for them.
- What was the price of the fan before discount?
- Charlie also bought 2 such fans at the price before discount. How much more did Charlie pay than Winnie?
|
Fan 1 |
Fan 2 |
Total |
Before |
100% |
100% |
200% |
Change (Discount) |
- 25% |
- 65% |
|
After |
75% |
35% |
110% |
(a)
Amount that Winnie paid for the 2 fans in percent
= 75% + 35%
= 110%
110% → 201.30
1% → 201.30 ÷ 110 = 1.83
100% → 100 x 1.83 = $183
Price of the fan before discount = $183
(b)
Amount that Charlie paid more than Winnie
= 25% + 65%
= 90%
= 90 x 1.83
= $164.70
Answer(s): (a) $183; (b) $164.70