The construction engineer calculate that he needed 3 support pillars of equal size. he ordered 1/3 of a ton of concrete to make the support pillars. how much concrete did he use for each support pillar? !

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.