Question

Twenty-one is 25% of what number?

A. 5.25
B. 84
C. 10.5
D. 63

Answer 1

Answer: 84

Step-by-step explanation:

When substituting this question into an algebraic equation you can write it as:

21=.25x

(x clearly represents the number you are trying to find)

When you divide both sides by .25 to isolate x you get x=84

Answer 2

The answer is 84! 21+21+21+21=84 it’s just dividing by 4