The table shows interest owed for a home improvement loan based on how long it takes to pay off the loan.
a. How much more interest is owed on $900 for 9 months than 6 months?
b. Does the interest rate increase at a constant rate?

The table shows interest owed for a home improvement loan based on how long it takes to pay off the loan a How much more interest is owed on 900 for 9 months th class=