PSLE Wendy bought 2 fans of the same model at a sale. She paid $143.75 for them.
- What was the price of the fan before discount?
- Harry also bought 2 such fans at the price before discount. How much more did Harry pay than Wendy?
|
Fan 1 |
Fan 2 |
Total |
Before |
100% |
100% |
200% |
Change (Discount) |
- 25% |
- 50% |
|
After |
75% |
50% |
125% |
(a)
Amount that Wendy paid for the 2 fans in percent
= 75% + 50%
= 125%
125% → 143.75
1% → 143.75 ÷ 125 = 1.15
100% → 100 x 1.15 = $115
Price of the fan before discount = $115
(b)
Amount that Harry paid more than Wendy
= 25% + 50%
= 75%
= 75 x 1.15
= $86.25
Answer(s): (a) $115; (b) $86.25