PSLE Raeann bought 2 fans of the same model at a sale. She paid $87.40 for them.
- What was the price of the fan before discount?
- Perry also bought 2 such fans at the price before discount. How much more did Perry pay than Raeann?
|
Fan 1 |
Fan 2 |
Total |
Before |
100% |
100% |
200% |
Change (Discount) |
- 20% |
- 65% |
|
After |
80% |
35% |
115% |
(a)
Amount that Raeann paid for the 2 fans in percent
= 80% + 35%
= 115%
115% → 87.40
1% → 87.40 ÷ 115 = 0.76
100% → 100 x 0.76 = $76
Price of the fan before discount = $76
(b)
Amount that Perry paid more than Raeann
= 20% + 65%
= 85%
= 85 x 0.76
= $64.60
Answer(s): (a) $76; (b) $64.60