1. You will compare the prices of two companies that provide the same service and decide when you get a better deal.

2.  Pick a service to research prices  Plumber  Taxi  Carpet cleaner  Rent a machine  Other idea get approved by Mrs. Anderson Talk to two different companies that perform this service. Get there prices and record the name of who you talked to.

3.  John Smith Plumbing  This company charges a $50 service fee and $25 per hour while they are working on the plumbing.  John Smith  888.888.8888  All Day Plumbing  This company has no service fee and charges $35 per hour while they are working on the plumbing.  George Day  999.999.9999

4. WRITE AN EQUATION FOR EACH COMPANY EXPLAIN THE SLOPE AND Y-INTERCEPT AND WHAT THEY MEAN  John Smith Plumbing  y=25x+50  The slope is $25, for each hour of work the cost is $25.  The y-intercept is $50, the fee just to come and look at the problem is $50.  All Day Plumbing  y=35x  The slope is $35, for each hour of work the cost is $35.  The y-intercept is 0, this means they do not charge a fee for coming to my house

5. Graph the equations on one graph Label each line with the company name Label the point where the two graphs intersect. Label where you get a better deal.

6. SOLVE WITH ELIMINATION SOLVE WITH SUBSTITUTION  Show work