at an intersection the red light times are normally distributed with a mean time of three minutes and a standard deviation of 0.25 minutes approximately what percent of red light slash between 2.5 and 3.5 minutes

Ebuka's monthly rent is $750. if ebuka pays the rent late, his landlord charges 4% interest per week that the payment is late. write a function that gives the total cost r(t), in dollars, of ebuka's rent if he pays it t weeks late.