Subject: 15 % of 24.95 =

How do I take 15% of a number I have forgotten

Percent is derived from the Latin word centum which means 100. Percent means "per 100" or "over 100". Thus 15% is  ¹⁵/₁₀₀.

The word "of" in a mathematical expression means multiplication, for example one-quarter of 20 is 5, ( ¹/₄ x 20 = 5).

Thus 15 % of 24.95 is