Mathematics for IGCSE & O level - Percentages (Section 4 - No. 28)
Which of the following represents an increase of 25%?
Multiplying by 0.25
Dividing by 0.75
Multiplying by 1.25
Subtracting 25%
Εξήγηση
Adding 25% is the same as multiplying the original amount by 1.25