PSLE Roshel bought 2 fans of the same model at a sale. She paid $70.30 for them.
- What was the price of the fan before discount?
- Jenson also bought 2 such fans at the price before discount. How much more did Jenson pay than Roshel?
|
Fan 1 |
Fan 2 |
Total |
Before |
100% |
100% |
200% |
Change (Discount) |
- 35% |
- 70% |
|
After |
65% |
30% |
95% |
(a)
Amount that Roshel paid for the 2 fans in percent
= 65% + 30%
= 95%
95% → 70.30
1% → 70.30 ÷ 95 = 0.74
100% → 100 x 0.74 = $74
Price of the fan before discount = $74
(b)
Amount that Jenson paid more than Roshel
= 35% + 70%
= 105%
= 105 x 0.74
= $77.70
Answer(s): (a) $74; (b) $77.70