You have a balance of $15,000 for your tuition on your American Express credit card. If your APR is 21%, you make no further charges, and each month you make only the minimum payment of 3% of your balance, then the formula for the balance after t monthly payments is given by 15,000(0.986975)t . What will the balance be after 10 years?


A. $3768.92
B. $4043.03
C. $3150.00
D. $3110.50

3 answers

Hmmm -- 10 math problems -- with no indication that you've made any attempt to solve them.

Please do not post any more problems until you've shown us your work on the ones you've already posted.
I think it's A.

15,000(0.986975)^10(12)
Using the given formula, your expression is correct, but its value is 3110.50 (D)

Expressed correctly, of course, it would be

15,000(0.986975)^(10*12)

You must have pushed some buttons wrong if you got (A). Or just guessed...
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