PSLE Jaslyn bought 2 fans of the same model at a sale. She paid $72.45 for them.
- What was the price of the fan before discount?
- Ken also bought 2 such fans at the price before discount. How much more did Ken pay than Jaslyn?
|
Fan 1 |
Fan 2 |
Total |
Before |
100% |
100% |
200% |
Change (Discount) |
- 25% |
- 60% |
|
After |
75% |
40% |
115% |
(a)
Amount that Jaslyn paid for the 2 fans in percent
= 75% + 40%
= 115%
115% → 72.45
1% → 72.45 ÷ 115 = 0.63
100% → 100 x 0.63 = $63
Price of the fan before discount = $63
(b)
Amount that Ken paid more than Jaslyn
= 25% + 60%
= 85%
= 85 x 0.63
= $53.55
Answer(s): (a) $63; (b) $53.55