25% of what equals $21?

Percent means literally per one hundred so

n (25/100) = 21 multiply both sides by 100

25n=2100 divide both sides by 25

n=$84.00

What is 25 percent (%) off $21?

Using the formula one and replacing the given values:

Amount Saved = Original Price x Discount % / 100. So,

Amount Saved = 21 x 25 / 100

Amount Saved = 525 / 100

Amount Saved = $5.25