Alice sells slices of pie and cheesecake at her bakery, for $3.90 per slice. During the lunch rush, she sold all of the slices from the ten cheesecakes she had on display and five slices of pie. The expression 3.9(10s + 5) represents the amount of money she earns during the lunch rush in dollars, where s is the number of slices in a cheesecake. If each cheesecake was cut into 10 slices, how much money did she earn