Percentage discounts
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Solution to question 1 continued
Method 2
1 − 15% = 1 − \(\dfrac{15}{100}\) = 1 − 0.15 = 0.85
| Selling price | = 0.85 × original price | |
| = 0.85 × 420 | ||
| = $357. | ||
| Zoe paid $357 for the bike. | ||
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