PSLE Ivory bought 2 fans of the same model at a sale. She paid $141.95 for them.
- What was the price of the fan before discount?
- Daniel also bought 2 such fans at the price before discount. How much more did Daniel pay than Ivory?
|
Fan 1 |
Fan 2 |
Total |
Before |
100% |
100% |
200% |
Change (Discount) |
- 45% |
- 70% |
|
After |
55% |
30% |
85% |
(a)
Amount that Ivory paid for the 2 fans in percent
= 55% + 30%
= 85%
85% → 141.95
1% → 141.95 ÷ 85 = 1.67
100% → 100 x 1.67 = $167
Price of the fan before discount = $167
(b)
Amount that Daniel paid more than Ivory
= 45% + 70%
= 115%
= 115 x 1.67
= $192.05
Answer(s): (a) $167; (b) $192.05