Answer:
$300
Step-by-step explanation:
Here we are given:
Balance at the beginning of last cycle(first half) = $400
Balance halfway through the cycle(second half cycle) = $200
To find the amount Aaron's checking account pay interest last cycle, let's find the average balance.
Use the formula for average:
[tex] \frac{Bal 1 + Bal 2}{2} [/tex]
[tex] \frac{400 + 200}{2} [/tex]
[tex] \frac{600}{2} = 300[/tex]
Average = $300
Therefore, the amount Aaron's checking account pay interest last cycle is $300