PSLE Victoria bought 2 fans of the same model at a sale. She paid $145.80 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 Victoria?
|
Fan 1 |
Fan 2 |
Total |
Before |
100% |
100% |
200% |
Change (Discount) |
- 35% |
- 75% |
|
After |
65% |
25% |
90% |
(a)
Amount that Victoria paid for the 2 fans in percent
= 65% + 25%
= 90%
90% → 145.80
1% → 145.80 ÷ 90 = 1.62
100% → 100 x 1.62 = $162
Price of the fan before discount = $162
(b)
Amount that Liam paid more than Victoria
= 35% + 75%
= 110%
= 110 x 1.62
= $178.20
Answer(s): (a) $162; (b) $178.20