PSLE Kimberly bought 2 fans of the same model at a sale. She paid $171.90 for them.
- What was the price of the fan before discount?
- Will also bought 2 such fans at the price before discount. How much more did Will pay than Kimberly?
|
Fan 1 |
Fan 2 |
Total |
Before |
100% |
100% |
200% |
Change (Discount) |
- 45% |
- 65% |
|
After |
55% |
35% |
90% |
(a)
Amount that Kimberly paid for the 2 fans in percent
= 55% + 35%
= 90%
90% → 171.90
1% → 171.90 ÷ 90 = 1.91
100% → 100 x 1.91 = $191
Price of the fan before discount = $191
(b)
Amount that Will paid more than Kimberly
= 45% + 65%
= 110%
= 110 x 1.91
= $210.10
Answer(s): (a) $191; (b) $210.10