All of the following are ways to write 25 percent of n except

Asked by maham237 @ 16/12/2020 in Mathematics viewed by 270 People

A. 0.25 N
B. 25N/100
C. 1/4 N
D. 25 N
The answer is D but I want to know why

Answered by maham237 @ 16/12/2020

In this case, N is just a variable. Lets make N 100.
A. 0.25*100=25 25 is 25% of 100 so this checks out.
B. 25(100)/100=25 25 is 25% of 100 so this checks out too.
C. 1/4= 0.25(100)=25 25 is 25% of 100 so this checks out as well.
D. 25(100)= 2500 2500 is greater than 100 so its more than 100% of 100.

As to why that is, its because you're multiplying the variable by 25, but that wont get you 25% of the variable.

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