Mathematics for IGCSE & O level - Percentages (Section 6 - No. 10)
Decrease $500 by each of these percentages:
a) 5%
b) 10%
$475, $400
$475, $450
$25, $50
$450, $400
Giải thích
Decrease by 5% is 500 * 0.95 = 475. Decrease by 10% is 500 * 0.90 = 450