Factors and Multiples - JSS2 Mathematics Past Questions and Answers - page 2
11
What is 15% of 80?
To find a percentage of a quantity, multiply the quantity by the percentage (expressed as a decimal).
0.15×80=12
12
If you want to decrease 90 by 30%, what is the new value?
To decrease 90 by 30%, follow these steps:
Find 30% of 90:
0.30×90=27
Subtract this value from 90:
90−27=63