PSLE Diana bought 2 fans of the same model at a sale. She paid $130.90 for them.
- What was the price of the fan before discount?
- George also bought 2 such fans at the price before discount. How much more did George pay than Diana?
|
Fan 1 |
Fan 2 |
Total |
Before |
100% |
100% |
200% |
Change (Discount) |
- 25% |
- 65% |
|
After |
75% |
35% |
110% |
(a)
Amount that Diana paid for the 2 fans in percent
= 75% + 35%
= 110%
110% → 130.90
1% → 130.90 ÷ 110 = 1.19
100% → 100 x 1.19 = $119
Price of the fan before discount = $119
(b)
Amount that George paid more than Diana
= 25% + 65%
= 90%
= 90 x 1.19
= $107.10
Answer(s): (a) $119; (b) $107.10