A car rental company offers two plans for renting a car: Plan A: 30 dollars per day and 15 cents per mile
Plan B: 50 dollars per day with free unlimited mileage
For what range of miles will plan B save you money?
To save money the mileage must be greater than
miles per day.
Give your answer accurate to at least one decimal place

The function a represents the cost of manufacturing product a, in hundreds of dollars, and the function b represents the cost of manufacturing product b, in hundreds of dollars. a(t) = 5t + 2 b(t) = 7t - 2t +4 find the expression that describes the total cost of manufacturing both products, a(t) + b(t). a. 7t^2 - 7t + 2 b. 7t^2 + 3 +6 c. 7t^2 + 7t - 6 d. 7t^2 - 3t + 6