# Perfect pipes charges$120 plus $40 an hour to make plumbing repairs. No leaks here charge

*label*Algebra

*timer*Asked: Mar 11th, 2015

**Question description**

Perfect pipes charges$120 plus $40 an hour to make plumbing repairs. No leaks here charge $50 plus $60 an hour. For how many hours is Perfect Pipes less expensive than No Leaks Here?