Jacques will wash the windows of a house for $15.00 plus $1.00 per window. Ray will wash them for $5.00 plus $2.00 per window. Let x be the number of
windows and y be the total charge for washing them. Write an equation that
represents how much each person charges to wash windows. Solve the system of
equations and explain what the solution means and when it would be most
economical to use each window washer.