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2 (%) (≈)
Example 2: 150 × 20% = 30 (150 ×
20
100
)
150 20 (%)
Example 3: Calculate what percentage of 880 is 660. (75%)
660 880 (%)
Example 4: Increase 2500 by 15%. (2875)
2500 2500 15 (%)
Example 5: Discount 3500 by 25%. (2625)
3500 3500 25 (%)
Example 6: Discount the sum of 168, 98, and 734 by 20%. (800)
168 98 734
20 (%)
Example 7: 300 grams are added to a test sample originally weighing 500
grams, producing a final test sample of 800 grams. What percent of 500
grams is 800 grams? (160%)
35
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