PSLE Rachel bought 2 fans of the same model at a sale. She paid $247.05 for them.
- What was the price of the fan before discount?
- Michael also bought 2 such fans at the price before discount. How much more did Michael pay than Rachel?
|
Fan 1 |
Fan 2 |
Total |
Before |
100% |
100% |
200% |
Change (Discount) |
- 10% |
- 55% |
|
After |
90% |
45% |
135% |
(a)
Amount that Rachel paid for the 2 fans in percent
= 90% + 45%
= 135%
135% → 247.05
1% → 247.05 ÷ 135 = 1.83
100% → 100 x 1.83 = $183
Price of the fan before discount = $183
(b)
Amount that Michael paid more than Rachel
= 10% + 55%
= 65%
= 65 x 1.83
= $118.95
Answer(s): (a) $183; (b) $118.95