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Mathematics for IGCSE & O level - Percentages (Section 3 - No. 2)
A jacket is on sale for $72 after a 20% discount. What was the original price of the jacket?
$14.40
$57.60
$90
$92
Penjelasan
$72 represents 80% of the original price. $72 / 0.8 = $90
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