PSLE Lynn bought 2 fans of the same model at a sale. She paid $208.80 for them.
- What was the price of the fan before discount?
- Julian also bought 2 such fans at the price before discount. How much more did Julian pay than Lynn?
|
Fan 1 |
Fan 2 |
Total |
Before |
100% |
100% |
200% |
Change (Discount) |
- 10% |
- 70% |
|
After |
90% |
30% |
120% |
(a)
Amount that Lynn paid for the 2 fans in percent
= 90% + 30%
= 120%
120% → 208.80
1% → 208.80 ÷ 120 = 1.74
100% → 100 x 1.74 = $174
Price of the fan before discount = $174
(b)
Amount that Julian paid more than Lynn
= 10% + 70%
= 80%
= 80 x 1.74
= $139.20
Answer(s): (a) $174; (b) $139.20