Chest wall pain, which is also known as costochondritis, is a common condition and is characterized by achy, sharp, or even pressure-like pain within the chest region. These symptoms may radiate out toward the shoulders and arms. In most cases, the precise source of the pain is not known.
Unit Price. The Unit Price (or unit cost) tells you the cost per liter, per kilogram, per pound, etc, of what you want to buy. Just divide the cost by the quantity: Example: 2 liters for $3.80 is $3.80/2 liters = $1.90 per liter.o the lowest Unit Price (and the best bargain) is 1.5 liters at $2.70. Of course it doesn't tell you the quality of what you are buying, but it can help you make a decision.
Answers. Best Answer: A rate is a ratio that is used to compare different kinds of quantities. A unit rate describes how many units of the first type of quantity corresponds to one unit of the second type of quantity. Some common unit rates are miles (or kilometers) per hour, cost per item, earnings per week, etc.