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
Answer:
2=12.5 3=18.75 4=25 5=31.25
Step-by-step explanation:
Answer:
$1.63 per pound
Step-by-step explanation:
$4.89/3=$1.63
Answer:
B. Add 2/5 to both sides
Step-by-step explanation:
Yuu have to add because it says subtract. inverse operations