From: EatingWell Magazine March/April 2011. Use this tangy, creamy cilantro-avocado dressing on a salad of romaine lettuce, grape tomatoes and black beans, with crumbled tortilla chips or toasted pine nuts on top. By: EatingWell Test Kitchen.
In mathematics, a rate is the ratio between two related quantities. Often it is a rate of change. If the unit or quantity in respect of which something is changing is not specified, usually the rate is per unit time.However, a rate of change can be specified per unit time, or per unit of length or mass or another quantity.The most common type of rate is per unit time, such as speed, heart rate and flux. Ratios that have a non-time denominator include exchange rates, literacy rates and electric flux.n describing the units of a rate, the word per is used to separate the units of the two measurements used to calculate the rate (for example a heart rate is expressed beats per minute).
birth rate The ratio of total live births to total population in a specified community or area over a specified period of time. The birth rate is often expressed as the number of live births per 1,000 of the population per year.