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Mathematics for IGCSE & O level - Percentages (Section 4 - No. 14)
A store marks up the price of an item by 20%. If the original price was $20, what is the new price?
$16
$24
$40
$44
Förklaring
20% of $20 is $4, so the new price is $20 + $4 = $24.
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