La familia Freeman:
13 c/kWh (400 kWh) + 2 c/kWh (400 kWh) + 14.5 c/kWh) 450 kWh
= 6464.5 c
6464.5 c x 30 = 193935
La familia Baum:
8.5 (400) + 12 (400) + 14.5 (450)
= 14725 c
<span>La familia Freeman tiene un costo de $260.83 más que la familia Baum.
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Begin by determining the monthly interest rate as follows:

<span>Each month, we deduct the monthly rate and the 5% payment from $463, leading to the following formula:</span>

<span>
Therefore, after three months, Bridgette will have a remaining balance of $381.5 in her account.</span>
I am hesitant to provide a definite answer since I'm not completely certain, but it's clear you can discard options C and D right away since the rate of change cannot be negative. Between options A and B, I would lean towards option B. I would have asked you to consider me the brainliest if I were correct, but I suspect this is for the IA4, where you're unable to check your grade... haha. Apologies, but I hope this assists you in some way!