Mathematics for IGCSE & O level - Percentages (Section 6 - No. 22)
Mr. Costa was given an 8% pay rise every year. His starting salary was $28,500. How much does he earn after four rises?
$38786
$38786.20
$38700
$38700.00
解释
A = P(1 + r/100)^n = 28500 * (1+8/100)^4 = $38786.20