A bag contains blue marbles and red marbles, 56 in total. The number of blue marbles is 8 more than 2 times the number of red ma
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Answer:
Step-by-step explanation:
Add 5 to both sides
x = 6
Add 3 to both sides
x = -15 +3
x = -12
Using simple interest, it is found that $13,872 was loaned at 9%.
<h3>Simple Interest</h3>The amount of money after t years in simple interest is modeled by:
In which:
- P is the initial amount.
- r is the interest rate, as a decimal.
The interest earned is:
A bank loaned out $14000, in two parts, hence:
Part of it at the rate of 9% per year and the rest at 17% per year, hence:
The interest received in one year totaled $2000, hence:
Then:
Isolating as a function of
, then we can replace on the equation for the first interest.
Then:
$13,872 was loaned at 9%.
To learn more about simple interest, you can take a look at brainly.com/question/25296782