1. In 1987, a small town had a population of 15, 500. Since then, there has been a decline of 175 residents each year. Find a linear equation giving the population [y], in terms of the number of years since 1987 [x]. What is the population of of the small town in 2007?

2. A pediatrician prescribed 10 mL per day of a medication for a 30-pound child. The next child was prescribed 20 mL per day. This child weighed 50 pounds. Find a linear equation for prescribing the correct dosage [d] in terms of the child’s body weight [w]. Using this equation, find the dosage for an 85-pound child.

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