22. Real-World Application The Sullivans
are deciding between two landscaping
companies. Evergreen charges a $79 startup
fee and $39 per month. Eco Solutions charges
a $25 startup fee and $45 per month. Let c
represent the total cost in dollars and t represent
the time in months. The system of equations
Sc=391 +79
can be used to represent this
c=45t+25
situation.
a. In how many months will both landscaping
services cost the same? What will that cost be?
b. Which landscaping service will be less expensive in the long term? Explain.