Mathematics for IGCSE & O level - Percentages (Section 6 - No. 11)
A shop increases prices by 5% and then by another 5%. What is the overall percentage increase (to nearest whole %)?
9%
10%
10.25%
11%
คำอธิบาย
1.05 * 1.05 = 1.1025, which represents a 10.25% increase, which rounds down to 10%.