PSLE Gillian bought 2 fans of the same model at a sale. She paid $232.50 for them.
- What was the price of the fan before discount?
- Andy also bought 2 such fans at the price before discount. How much more did Andy pay than Gillian?
|
Fan 1 |
Fan 2 |
Total |
Before |
100% |
100% |
200% |
Change (Discount) |
- 10% |
- 65% |
|
After |
90% |
35% |
125% |
(a)
Amount that Gillian paid for the 2 fans in percent
= 90% + 35%
= 125%
125% → 232.50
1% → 232.50 ÷ 125 = 1.86
100% → 100 x 1.86 = $186
Price of the fan before discount = $186
(b)
Amount that Andy paid more than Gillian
= 10% + 65%
= 75%
= 75 x 1.86
= $139.50
Answer(s): (a) $186; (b) $139.50