Answer:
1)

2)

3)

Explanation:
Given : Amount: $225,000 Rate: 7 % Payments: 360 @ $1,496.93 Total Interest: $313,894.80.
To find : 1) How much will be repaid for this loan?
2) What percentage of this total is total interest?
3) What will be the average amount per payment for interest?
Solution :
Amount: $225,000
Rate: 7 %
Payments: 360 @ $1,496.93
Total Interest: $313,894.80.
1) Total amount which will be repaid is



2) Percentage of this total is total interest is
Let the percentage of total amount that is interest be x
i.e,




3) Average amount per payment for interest is


