1. A truck rental agency offers two kinds of plans. Plan A charges $125/week plus $.18/miles driven. Plan B charges $150/week plus $.09/miles driven.

1. Write the model equation for the cost of renting a truck for a week with plan A.
2. Write the model equation for the cost of renting a truck for a week with plan B.
3. Find the number of miles that would generate the same cost for both plans. Round up to the nearest mile.
4. If Tom knows he has to travel 450 miles for a week, which plan should he choose?