If you borrow $220,000 at an APR of 3.5% for 25 years, you will pay $1,101.37 per month. If you borrow the same amount at the same APR for 30 years, you will pay $987.90 per month. a. What is the total interest paid on the 25-year mortgage?
$110,411.00

b. What is the total interest paid on the 30-year mortgage?
$135,644.00

c. How much more interest is paid on the 30-year mortgage? Round to the nearest dollar.
$25,233.00

d. If you can afford the difference in monthly payments, you can take out the 25-year mortgage and save all the interest from part c. What is the difference between the monthly payments of the two different mortgages? Round to the nearest dollar

he used the algebra tiles correctly.

step-by-step explanation:

given : 3x(2x-1)

solution :

since he used algebra tiles .

armando's solution is the same in the solution shown in figure

as he distributed 2x into x and x and wrote them vertically

and also write   -1 vertically

and 3x into x and x and x and wrote it horizontally

performing the multiplication in the algebra tiles we get

and solving the given expression :

3x(2x-1)

since solving the expression using tiles   and solving the expression algebraically we get the same answer

thus   we can choose the first statement as the answer to this problem which is "he used the algebra tiles correctly".

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step-by-step explanation: