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.
Unit Rate is the ratio of two measurements in which the second term is 1. The two measurements involved for which ratio are taken in unit rate is always different. If Nancy earns $180 in 20 hours, then unit rate of her earning is given as 180/20 = $9 per hour. 1  A. 16 toys/hour.  B. 15 toys/hour.