Mathematics for IGCSE & O level - Percentages (Section 1 - No. 48)
Martin had shares worth $8000. They increased in value by 7.5% each year. What was their value after 10 years?
$16000
$16200
$16100
$16197
คำอธิบาย
A = P(1 + r/100)^n, where P = 8000, r = 7.5, and n = 10. A = 8000(1 + 7.5/100)^10 = $16197.