The answer would be n=37 because…
40+n=77
subtract 40 on both sides, cancelling it out on the left side and 77-40=37 so:
n=37
Using compound interest, the rates per compounding period are given as follows:
a) 0.1273 = 12.73%.
b) 0.0833 = 8.33%
c) 0.0617 = 6.17%
<h3>What is compound interest?</h3>
The amount of money earned, in compound interest, after t years, is given by:
In which:
- A(t) is the amount of money after t years.
- P is the principal(the initial sum of money).
- r is the interest rate(as a decimal value).
- n is the number of times that interest is compounded per year.
The <u>interest rate per compounding period</u> is given as follows:
For item a, the parameters are:
r = 0.12, n = 52.
Hence:
For item b, the parameters are:
r = 0.08, n = 104.
Hence:
For item c, the parameters are:
r = 0.06, n = 12.
Hence:
More can be learned about compound interest at brainly.com/question/25781328
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Answer:
738 messages
Step-by-step explanation:
Use the given information to set up an equation. 7 is constant and 0.3 per message, with a total of 18.40.
0.3x + 7 = 18.4
Now solve for x
0.3x = 11.4
x = 38
She sent 38 messages over the standard 700, meaning she sent a total of 738 messages in the month of October
$20 per table, I work at a restaurant haha this is all I hear about