PSLE Gwen bought 2 fans of the same model at a sale. She paid $74.40 for them.
- What was the price of the fan before discount?
- Liam also bought 2 such fans at the price before discount. How much more did Liam pay than Gwen?
|
Fan 1 |
Fan 2 |
Total |
Before |
100% |
100% |
200% |
Change (Discount) |
- 25% |
- 55% |
|
After |
75% |
45% |
120% |
(a)
Amount that Gwen paid for the 2 fans in percent
= 75% + 45%
= 120%
120% → 74.40
1% → 74.40 ÷ 120 = 0.62
100% → 100 x 0.62 = $62
Price of the fan before discount = $62
(b)
Amount that Liam paid more than Gwen
= 25% + 55%
= 80%
= 80 x 0.62
= $49.60
Answer(s): (a) $62; (b) $49.60