500
Ronaldo’s Heating and Cooling company uses the equation, y = 35x +39.99 to calculate the cost, y, of working on
equipment x number of hours. Brennan’s Heating and
Cooling company uses the table below to calculate the
cost of working on equipment for different numbers of hrs
Brennan’s Heating and Cooling
Working Hours (x)
Total Cost (y)
X Y
2 $114.99
4 $179.99
6 $244.99
If it takes 5 hours to work on equipment, which heating and cooling company charges less and by how much less?
What is Brennan’s Heating and Cooling company charges $2.50
less for 5 hours of work.