Mark has 32 DVDs. His friend gives him some more. Mark now has 40 DVDs. What is the percentage change of DVDs?

a. 80%
b. 25%
c. 125%
d. 20%
explain your working out

choice B 25%

Step-by-step explanation:

First: work out the difference (increase) between the two numbers you are comparing.

Increase = New Number - Original Number

Then:  divide the increase by the original number and multiply the answer by 100.

% increase = Increase ÷ Original Number × 100.

Mark had 32 dvds now he has 40

so

so the percentage change is 25%

steve should create a type of business report called a business plan. the correct option among the options that are already given in the question is the last or the fourth option. this business report created by steve will actually influence the investors about investing their money in steve's business. this business report will have all the details about the business, the amount of investment required and the amount of expected profit.