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Mathematics for IGCSE & O level - Percentages (Section 4 - No. 5)

What is the percentage profit if an item is bought for $1.40 and sold for $1.80?
40%
35%
28.6%
25%

解释

Profit is $0.40. Percentage profit = ($0.40/$1.40) * 100 = 28.6%

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