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4 votes
What % of 25 is 21?


User Myoshi
by
6.9k points

2 Answers

5 votes

Answer:

0.84

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User Eric Krantz
by
6.9k points
4 votes

Answer: 84%

Explanation:

1. Since 25 is the output value, we can assume that it is 100%

2. Now we out what we want to find with x

3. From step one, 25=100%

4. In the same line, x%=21

5. This gives us 2 equations:

100%=25(1)

x%=21(2)

6. By dividing equation 1 by equation 2 and taking note of the fact that both the left hand side of both equations have the same unit (%); we have (set up a proportion)

7. Then, take the reciprocal and solve. You should end up with x=84%

User Codaddict
by
7.1k points