The percentage is the ratio of part value to the whole value. The percentage is 25% then the correct option is A.
What is the percentage?
The amount of something is expressed as if it is a part of the total which is a hundred. The ratio can be expressed as a fraction of 100. The word percent means per 100. It is represented by the symbol ‘%’.
The percentage will be
The whole value will be
Whole = 60 - 20 = 40
The part value will be
Part value = 50 - 40 = 10
Then the percentage will be
[tex]\rm P = \dfrac{part}{whole } \times 100\\\\\\P = \dfrac{10}{40} \times100\\\\\\P= 25\%[/tex]
More about the percentage link is given below.
https://brainly.com/question/8011401
