0 people ride the bus, 100 people ride motorbikes, 40 people drive vans, and 220 people drive cars. Based on the data, how many would you expect to use motorbikes if you asked 900 people?

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.