bellsbella34
23.07.2019 •
Mathematics
Kayla used her credit card to purchase a new television for $487.89. she can pay off up to $175 per month. the card has an annual rate of 23.5% compunded monthly. how much will she pay in interest?
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Ответ:
First, let's calculate the remaining balance after the first month's payment of $175:
487.89 - 175 = 312.89
Then, we will calculate the new balance for the next month by calculating the 23.5% interest and then adding it to the total:
312.89 × 0.235 = 73.53 (rounded up)
312.89 + 73.53 = 386.42
Next, we will repeat the first step again:
386.42 - 175 = 211.42
Then, we will repeat step two again, and continue repeating steps 1 and 2 until the balance remaining is 0:
211.42 × 0.235 = 49.68
211.42 + 49.68 = 261.10
261.10 - 175 = 86.10
86.10 × 0.235 = 20.23
86.10 + 20.23 = 109.30
109.30 - 109.90 = 0.00 end balance.
Lastly, the question asks for how much Kayla pays in interest only, so all we need to do is add up the interest we calculated during the problem:
73.53 + 49.68 + 20.23 = $143.44
Looks like Kayla paid $143.44 in interest.
Hopefully I calculated this properly, so double check the math.
Ответ:
there's just a simple way to do it
multiply 36 by 3
that would be 6×3= 18
and 3×3= 9
add 1 in 9
you will get 108
now add a zero, cause its 360
1080!