PSLE Gem bought 2 fans of the same model at a sale. She paid $238.75 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) |
- 20% |
- 55% |
|
After |
80% |
45% |
125% |
(a)
Amount that Gem paid for the 2 fans in percent
= 80% + 45%
= 125%
125% → 238.75
1% → 238.75 ÷ 125 = 1.91
100% → 100 x 1.91 = $191
Price of the fan before discount = $191
(b)
Amount that Warren paid more than Gem
= 20% + 55%
= 75%
= 75 x 1.91
= $143.25
Answer(s): (a) $191; (b) $143.25