In this case we can propose an equation where x is the starting point, and y is the ending point. Now, we know all the movements of the team, if we consider the yards won as positive values and the yards lost as negative values, the equation would be as follows:
Starting with 2.85, if each copy costs 10 cents then 5.85-2.85=3. You have 3 dollars left until reaching 5.85. 30 pages would cost 300 cents or 3 dollars.
