PSLE Opal bought 2 fans of the same model at a sale. She paid $186.30 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 Opal?
|
Fan 1 |
Fan 2 |
Total |
Before |
100% |
100% |
200% |
Change (Discount) |
- 20% |
- 65% |
|
After |
80% |
35% |
115% |
(a)
Amount that Opal paid for the 2 fans in percent
= 80% + 35%
= 115%
115% → 186.30
1% → 186.30 ÷ 115 = 1.62
100% → 100 x 1.62 = $162
Price of the fan before discount = $162
(b)
Amount that Jenson paid more than Opal
= 20% + 65%
= 85%
= 85 x 1.62
= $137.70
Answer(s): (a) $162; (b) $137.70