Answer:
Step-by-step explanation:
<u>Given</u>
- Time = 20 years = 240 months
- Mortgage amount = $90000
- Selling price = $110000
- Monthly payment = $898.20
<u>a) total amount</u>
- 110000 - 90000 + 240*898.20 =
- 20000 + 215568 =
- $235568
<u>b) Interest cost</u>
- $235568 - $110000 =
- $125568
Lets quickly run through the prime numbers and see what it is not divisible by
39 is not divisible by 2
39 IS divisible by 3
So lets stop right here.
What is 39 divided by 3? 13 !
And 13 is a prime number too!
So that is all we can do.
So prime factorization of 39 is <u>3 x 13</u><u><em /></u>
Set up an equation 5x+6x+7x=40 and solve for x