PSLE Shannon bought 2 fans of the same model at a sale. She paid $150.40 for them.
- What was the price of the fan before discount?
- Cody also bought 2 such fans at the price before discount. How much more did Cody pay than Shannon?
|
Fan 1 |
Fan 2 |
Total |
Before |
100% |
100% |
200% |
Change (Discount) |
- 45% |
- 75% |
|
After |
55% |
25% |
80% |
(a)
Amount that Shannon paid for the 2 fans in percent
= 55% + 25%
= 80%
80% → 150.40
1% → 150.40 ÷ 80 = 1.88
100% → 100 x 1.88 = $188
Price of the fan before discount = $188
(b)
Amount that Cody paid more than Shannon
= 45% + 75%
= 120%
= 120 x 1.88
= $225.60
Answer(s): (a) $188; (b) $225.60