PSLE Jane bought 2 fans of the same model at a sale. She paid $173.65 for them.
- What was the price of the fan before discount?
- Ethan also bought 2 such fans at the price before discount. How much more did Ethan pay than Jane?
|
Fan 1 |
Fan 2 |
Total |
Before |
100% |
100% |
200% |
Change (Discount) |
- 25% |
- 60% |
|
After |
75% |
40% |
115% |
(a)
Amount that Jane paid for the 2 fans in percent
= 75% + 40%
= 115%
115% → 173.65
1% → 173.65 ÷ 115 = 1.51
100% → 100 x 1.51 = $151
Price of the fan before discount = $151
(b)
Amount that Ethan paid more than Jane
= 25% + 60%
= 85%
= 85 x 1.51
= $128.35
Answer(s): (a) $151; (b) $128.35