PSLE Usha bought 2 fans of the same model at a sale. She paid $275.80 for them.
- What was the price of the fan before discount?
- Neave also bought 2 such fans at the price before discount. How much more did Neave pay than Usha?
|
Fan 1 |
Fan 2 |
Total |
Before |
100% |
100% |
200% |
Change (Discount) |
- 10% |
- 50% |
|
After |
90% |
50% |
140% |
(a)
Amount that Usha paid for the 2 fans in percent
= 90% + 50%
= 140%
140% → 275.80
1% → 275.80 ÷ 140 = 1.97
100% → 100 x 1.97 = $197
Price of the fan before discount = $197
(b)
Amount that Neave paid more than Usha
= 10% + 50%
= 60%
= 60 x 1.97
= $118.20
Answer(s): (a) $197; (b) $118.20