PSLE Xylia bought 2 fans of the same model at a sale. She paid $149.10 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 Xylia?
|
Fan 1 |
Fan 2 |
Total |
Before |
100% |
100% |
200% |
Change (Discount) |
- 45% |
- 50% |
|
After |
55% |
50% |
105% |
(a)
Amount that Xylia paid for the 2 fans in percent
= 55% + 50%
= 105%
105% → 149.10
1% → 149.10 ÷ 105 = 1.42
100% → 100 x 1.42 = $142
Price of the fan before discount = $142
(b)
Amount that Andy paid more than Xylia
= 45% + 50%
= 95%
= 95 x 1.42
= $134.90
Answer(s): (a) $142; (b) $134.90