Your food costs are $2,500. Your total food sales are $17,500. What percent of your food sales do the food costs represent?
Your food costs are a fraction (or percentage) of total food sales. A fraction is represented as a part out of a whole. This phrase corresponds to a simple math formula
A percent is a fraction multiplied by
You were given the part, called "food costs":
You were also given the whole, called "total food sales":
Plugging the part and whole into the percent equation gives