PSLE Usha bought 2 fans of the same model at a sale. She paid $56.25 for them.
- What was the price of the fan before discount?
- Jack also bought 2 such fans at the price before discount. How much more did Jack pay than Usha?
|
Fan 1 |
Fan 2 |
Total |
Before |
100% |
100% |
200% |
Change (Discount) |
- 10% |
- 65% |
|
After |
90% |
35% |
125% |
(a)
Amount that Usha paid for the 2 fans in percent
= 90% + 35%
= 125%
125% → 56.25
1% → 56.25 ÷ 125 = 0.45
100% → 100 x 0.45 = $45
Price of the fan before discount = $45
(b)
Amount that Jack paid more than Usha
= 10% + 65%
= 75%
= 75 x 0.45
= $33.75
Answer(s): (a) $45; (b) $33.75