PSLE Elyse bought 2 fans of the same model at a sale. She paid $201.50 for them.
- What was the price of the fan before discount?
- Rael also bought 2 such fans at the price before discount. How much more did Rael pay than Elyse?
|
Fan 1 |
Fan 2 |
Total |
Before |
100% |
100% |
200% |
Change (Discount) |
- 20% |
- 50% |
|
After |
80% |
50% |
130% |
(a)
Amount that Elyse paid for the 2 fans in percent
= 80% + 50%
= 130%
130% → 201.50
1% → 201.50 ÷ 130 = 1.55
100% → 100 x 1.55 = $155
Price of the fan before discount = $155
(b)
Amount that Rael paid more than Elyse
= 20% + 50%
= 70%
= 70 x 1.55
= $108.50
Answer(s): (a) $155; (b) $108.50