PSLE Dana bought 2 fans of the same model at a sale. She paid $160.80 for them.
- What was the price of the fan before discount?
- Caden also bought 2 such fans at the price before discount. How much more did Caden pay than Dana?
|
Fan 1 |
Fan 2 |
Total |
Before |
100% |
100% |
200% |
Change (Discount) |
- 20% |
- 60% |
|
After |
80% |
40% |
120% |
(a)
Amount that Dana paid for the 2 fans in percent
= 80% + 40%
= 120%
120% → 160.80
1% → 160.80 ÷ 120 = 1.34
100% → 100 x 1.34 = $134
Price of the fan before discount = $134
(b)
Amount that Caden paid more than Dana
= 20% + 60%
= 80%
= 80 x 1.34
= $107.20
Answer(s): (a) $134; (b) $107.20