18. The dosage of a particular veterinary drug is determined
based upon the animal’s weight. The standard dosage for a 40 pound
dog is 8 mg; but the dosage is increased by 2 mg for each
additional 5 pounds of weight.
a. Create a linear equation that allows us to calculate the
proper dosage for a dog that weighs x pounds.
b. What would be the proper dosage for a 37 pound dog?
c. A vet finds that 11 mg of the drug is left in the bottle.
What is the largest dog that could be treated with this remaining