PSLE Natalie bought 2 fans of the same model at a sale. She paid $131.30 for them.
- What was the price of the fan before discount?
- Liam also bought 2 such fans at the price before discount. How much more did Liam pay than Natalie?
|
Fan 1 |
Fan 2 |
Total |
Before |
100% |
100% |
200% |
Change (Discount) |
- 10% |
- 60% |
|
After |
90% |
40% |
130% |
(a)
Amount that Natalie paid for the 2 fans in percent
= 90% + 40%
= 130%
130% → 131.30
1% → 131.30 ÷ 130 = 1.01
100% → 100 x 1.01 = $101
Price of the fan before discount = $101
(b)
Amount that Liam paid more than Natalie
= 10% + 60%
= 70%
= 70 x 1.01
= $70.70
Answer(s): (a) $101; (b) $70.70