PSLE Tiffany bought 2 fans of the same model at a sale. She paid $58.50 for them.
- What was the price of the fan before discount?
- Eric also bought 2 such fans at the price before discount. How much more did Eric pay than Tiffany?
|
Fan 1 |
Fan 2 |
Total |
Before |
100% |
100% |
200% |
Change (Discount) |
- 10% |
- 60% |
|
After |
90% |
40% |
130% |
(a)
Amount that Tiffany paid for the 2 fans in percent
= 90% + 40%
= 130%
130% → 58.50
1% → 58.50 ÷ 130 = 0.45
100% → 100 x 0.45 = $45
Price of the fan before discount = $45
(b)
Amount that Eric paid more than Tiffany
= 10% + 60%
= 70%
= 70 x 0.45
= $31.50
Answer(s): (a) $45; (b) $31.50