Using simple interest, it is found that her interest charge this month will be of $30.
<h3>Simple Interest</h3>
Simple interest is used when there is a single compounding per time period.
The amount of interest after t years in is modeled by:
I(t) = Prt
In which:
- r is the interest rate, as a decimal.
In this problem, considering the time in years, the parameters are:

Hence:

Her interest charge this month will be of $30.
More can be learned about simple interest at brainly.com/question/25296782
(3d+2)*3)=6+9d hope this helps
Answer:
X=3, y=5
Step-by-step explanation:
3x + y = 14 equation 1
y=5 equation 2
3x + 5 = 14. substitute value of y from equation 2 into equation 1
3x=9
x-3
Well you see, you have 2/8, (fraction) and here is a few others,
These are COMMON. 4/16, 2/8, 6/24, etc....
You multiply the denominator and numerator by the same answer.
Thats how I think I learned it.
Answer:
r+7
Step-by-step explanation: