B. would be your answer, I'm almost 100% sure.
Brainliest?
It would mean a lot!
Answer:
94 years
Step-by-step explanation:
We can approach the solution using the compound interest equation

Given data
P= $40,000
A= $120,000
r= 1.25%= 1.25/100= 0.0125
substituting and solving for t we have

dividing both sides by 40,000 we have

dividing both sides by 0.005 we have

Answer: 2n + 2 should be your answer
You wrote it there yourself, at the beginning of your question.
You wrote E = I x R
Divide each side by ' I ' : E / I = R
That's what you're asking for. ^
Answer:
the correct answer is the 3rd one