Aload of bricks is twice as heavy as a load of sticks. the total weight of 4 loads of bricks and 4 loads of sticks is 771 kilograms. what is the total weight of 1 load of bricks and 3 loads of sticks?

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.