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Answer:
c. -$69.97
d. not enough
Step-by-step explanation:
c. The late fee is another withdrawal from Mai's account. After 10 days, the total amount withdrawn to pay late fees is 10(-5.75) = -57.50. At that point in time, Mai's account balance will be ...
-$12.47 -10(5.75) = -$69.97 . . . . Mai's balance after 10 days
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d. Mai's balance after 5 days will be calculated the same way:
-$12.47 -5(5.75) = -$41.22
Even if she adds $40 to her account, the balance will be ...
-$41.22 +40.00 = -$1.22 . . . . a negative number; still subject to late fees
Adding $40 on day 5 is not enough to avoid further late fees.
