What percent of 25 is 7?

And

What number is 21% of 300?

This is for the first one 85.714286%

This is for the second one

olution for 21 is what percent of 300

100%/x%=300/21

(100/x) * x = (300/21) * x - we multiply both sides of the equation by x

100=14.2857142857*x - we divide both sides of the equation by (14.2857142857) to get x

100/14.2857142857=x

7=x

x=7

now we have:

21 is 7% of 300

7 is 28% of 25 and 21 is 21% of 300