PSLE Xylia bought 2 fans of the same model at a sale. She paid $208.15 for them.
- What was the price of the fan before discount?
- Japheth also bought 2 such fans at the price before discount. How much more did Japheth pay than Xylia?
|
Fan 1 |
Fan 2 |
Total |
Before |
100% |
100% |
200% |
Change (Discount) |
- 10% |
- 75% |
|
After |
90% |
25% |
115% |
(a)
Amount that Xylia paid for the 2 fans in percent
= 90% + 25%
= 115%
115% → 208.15
1% → 208.15 ÷ 115 = 1.81
100% → 100 x 1.81 = $181
Price of the fan before discount = $181
(b)
Amount that Japheth paid more than Xylia
= 10% + 75%
= 85%
= 85 x 1.81
= $153.85
Answer(s): (a) $181; (b) $153.85