The manager of the peach orchard is attempting to decide when to arrange for picking peaches. If they are picked now, average yield per tree will be 100 lbs., which can be sold for 80¢ per pound. Past experience illustrates that yield per tree will increase about 5 lbs. per week, where as price will decrease about 4¢ per pound per week.
a. Let x represent number of weeks from now that manager must wait to have peaches picked. Write the expression which represents selling price per pound and yield per tree.