PSLE Hazel bought 2 fans of the same model at a sale. She paid $97.20 for them.
- What was the price of the fan before discount?
- Wesley also bought 2 such fans at the price before discount. How much more did Wesley pay than Hazel?
|
Fan 1 |
Fan 2 |
Total |
Before |
100% |
100% |
200% |
Change (Discount) |
- 25% |
- 55% |
|
After |
75% |
45% |
120% |
(a)
Amount that Hazel paid for the 2 fans in percent
= 75% + 45%
= 120%
120% → 97.20
1% → 97.20 ÷ 120 = 0.81
100% → 100 x 0.81 = $81
Price of the fan before discount = $81
(b)
Amount that Wesley paid more than Hazel
= 25% + 55%
= 80%
= 80 x 0.81
= $64.80
Answer(s): (a) $81; (b) $64.80