PSLE Fanny bought 2 fans of the same model at a sale. She paid $210.45 for them.
- What was the price of the fan before discount?
- Tim also bought 2 such fans at the price before discount. How much more did Tim pay than Fanny?
|
Fan 1 |
Fan 2 |
Total |
Before |
100% |
100% |
200% |
Change (Discount) |
- 20% |
- 65% |
|
After |
80% |
35% |
115% |
(a)
Amount that Fanny paid for the 2 fans in percent
= 80% + 35%
= 115%
115% → 210.45
1% → 210.45 ÷ 115 = 1.83
100% → 100 x 1.83 = $183
Price of the fan before discount = $183
(b)
Amount that Tim paid more than Fanny
= 20% + 65%
= 85%
= 85 x 1.83
= $155.55
Answer(s): (a) $183; (b) $155.55