PSLE Nora bought 2 fans of the same model at a sale. She paid $61.25 for them.
- What was the price of the fan before discount?
- Vincent also bought 2 such fans at the price before discount. How much more did Vincent pay than Nora?
|
Fan 1 |
Fan 2 |
Total |
Before |
100% |
100% |
200% |
Change (Discount) |
- 25% |
- 50% |
|
After |
75% |
50% |
125% |
(a)
Amount that Nora paid for the 2 fans in percent
= 75% + 50%
= 125%
125% → 61.25
1% → 61.25 ÷ 125 = 0.49
100% → 100 x 0.49 = $49
Price of the fan before discount = $49
(b)
Amount that Vincent paid more than Nora
= 25% + 50%
= 75%
= 75 x 0.49
= $36.75
Answer(s): (a) $49; (b) $36.75