PSLE Xandra bought 2 fans of the same model at a sale. She paid $146.25 for them.
- What was the price of the fan before discount?
- Julian also bought 2 such fans at the price before discount. How much more did Julian pay than Xandra?
|
Fan 1 |
Fan 2 |
Total |
Before |
100% |
100% |
200% |
Change (Discount) |
- 25% |
- 50% |
|
After |
75% |
50% |
125% |
(a)
Amount that Xandra paid for the 2 fans in percent
= 75% + 50%
= 125%
125% → 146.25
1% → 146.25 ÷ 125 = 1.17
100% → 100 x 1.17 = $117
Price of the fan before discount = $117
(b)
Amount that Julian paid more than Xandra
= 25% + 50%
= 75%
= 75 x 1.17
= $87.75
Answer(s): (a) $117; (b) $87.75