PSLE Gem bought 2 fans of the same model at a sale. She paid $163.30 for them.
- What was the price of the fan before discount?
- Warren also bought 2 such fans at the price before discount. How much more did Warren pay than Gem?
|
Fan 1 |
Fan 2 |
Total |
Before |
100% |
100% |
200% |
Change (Discount) |
- 35% |
- 50% |
|
After |
65% |
50% |
115% |
(a)
Amount that Gem paid for the 2 fans in percent
= 65% + 50%
= 115%
115% → 163.30
1% → 163.30 ÷ 115 = 1.42
100% → 100 x 1.42 = $142
Price of the fan before discount = $142
(b)
Amount that Warren paid more than Gem
= 35% + 50%
= 85%
= 85 x 1.42
= $120.70
Answer(s): (a) $142; (b) $120.70