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Mathematics for IGCSE & O level - Percentages (Section 4 - No. 8)

If sales tax is 7%, what is the total cost of an item that costs $50 before tax?
$3.50
$46.50
$53.50
$57.00

解释

7% of $50 is $3.50, so the total cost is $50 + $3.50 = $53.50

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