PSLE Barbara bought 2 fans of the same model at a sale. She paid $274.40 for them.
- What was the price of the fan before discount?
- Xavier also bought 2 such fans at the price before discount. How much more did Xavier pay than Barbara?
|
Fan 1 |
Fan 2 |
Total |
Before |
100% |
100% |
200% |
Change (Discount) |
- 10% |
- 50% |
|
After |
90% |
50% |
140% |
(a)
Amount that Barbara paid for the 2 fans in percent
= 90% + 50%
= 140%
140% → 274.40
1% → 274.40 ÷ 140 = 1.96
100% → 100 x 1.96 = $196
Price of the fan before discount = $196
(b)
Amount that Xavier paid more than Barbara
= 10% + 50%
= 60%
= 60 x 1.96
= $117.60
Answer(s): (a) $196; (b) $117.60