Mathematics for IGCSE & O level - Percentages (Section 6 - No. 14)

Increase $400 by each of these percentages: a) 1% b) 5%

$404, $420

$400, $405

$4.00, $20.00

$4.00, $5.00

설명

Increase by 1% is 400 * 1.01 = 404. Increase by 5% is 400 * 1.05 = 420

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