Mathematics for IGCSE & O level - Percentages (Section 3 - No. 44)
Which option correctly calculates the new amount after decreasing a value by 12%?
Multiply by 0.12
Multiply by 0.88
Add 12% to the original value
Subtract 0.12 from the original value
解释
To decrease something by 12%, you retain 88% of the original value.