The total amount due after a given period of time is given by the following formula:
This is for simple interest. <em>A</em> is the total amount due. <em>t</em> is the period of time, <em>r</em> is the interest rate and <em>P</em> is the initial amount borrowed.
To use the formula, <em>t</em> and <em>r</em> must have the same unit of time (both in years or both in months for example). We have the yearly rate as 15%, or well, 0.15. The period is 6 months, which will be half a year, or well, 0.5 years. With this information, we can now replace the values on the formula:
With this, the total amount due will be $3225.
Alternatively, we can first calculate the interest due with the following formula:
And add this amount to the initial amount of money borrowed to estimate the total amount due.
After six months, the student has to pay the $3000 borrowed, plus $225 of interest:
Answer. Total amount due after 6 months: $3225.
Answer:175.368421
Step-by-step explanation:
I'm not sure if this is right but I think you have to divide the 3,332 people by the 19 rows.
The correct answer is 17 what i did was plug in 17 where ever you see x so x2 would be 17x2 an then plus the 5 gives u 39 3x 17x3=51 51+10=61 now add the totals 61 plus 39 gives u 100
Let's solve this system of equations through substitution.
We have these two equations.
-7x-2y=14
6x+6y=18
Now let divide the second equation by 6.
6x+6y=18 ----> x+y=3
Next, let us move y to the right side of the equation.
x+y=3 -------> x=3-y (x equals 3-y)
Because we found out that what x is in terms of y, we can input that in for every instance of x in this equation below.
-7x-2y=14 becomes -7(3-y)-2y=14 (Why? Because x equals 3-y!)
We have a one variable equation now and can solve for y.
-7(3-y)-2y=14
-21+7y-2y=14
5y=35
y=7
Plug in 7 for y in any equation to find x.
x+y=3
x+7=3
x=-4
answer: x=-4, y=7
Answer: 30 gallons
Step-by-step explanation:
So fist we add 40% and $40%. That's 80 percent of the tank which is 12 + 12 = 24. Then we figure out half of 40 percent which is 20 which means its 6 gallons. Now we add. 12+12+6 which equals our answer 30 gallons
