Which of the following ratios is proportional to 8 adults: 6 children? 4 adults:3 children
3 adults:4 children
10 adults:5 children
12 adults:10 children

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.