What does per- mean?

Answer 1

like lets say you had 27 grams of sugar per pound, then it means how much of something you have per pound

Answer 2

The phrase "per" can mean the price per item. How much each item would cost if the total cost was bundled. It can also refer to a ratio of people. Like how many adults per children in a day-care setting.

Answer 3

per

prep.

1. To, for, or by each; for every: Gasoline once cost 40 cents per gallon.

2. According to; by: Changes were made to the manuscript per the author's instructions.

3. By means of; through.

adv. Informal.

1. For each one; apiece: sold the cookies for one dollar per.

2. Per hour: was driving at 60 miles per.

Source: http://www.answers.com/per?gwp=11&ver=2.3.0.609&method=3