Perfect Pipes charges $120 plus $40 anhour to make plumbing repairs. No LeaksHere charges $50 plus $60 an hour. Forhow many hours is Perfect Pipes lessexpensive than No Leaks Here?

Hey!-------------------------------------------------Prefect Pipes: 120 + 40 = $160 (y-intercept)No Leaks Here: 50 + 60 = $110 (y-intercept)-------------------------------------------------Hour #1:Prefect Pipes: 160 + 40 = $200No Leaks Here: 110 + 60 = $170Hour #2:Prefect Pipes: 200 + 40 = $240No Leaks Here: 170 + 60 = $230Hour #3:Prefect Pipes: 240 + 40 = $280No Leaks Here: 230 + 60 = $290-------------------------------------------------$280 < $290After 3 hours Perfect Pipes is less expensive than No Leaks Here!-------------------------------------------------Hope This Helped! Good Luck!