Problem 163 of 7
Choose which variable to isolate for context question Given principal, interest rate, and time, find the total interest earned.
Using a hint is okay. It just tells the trainer to give you a little more review.
Hidden until you reveal it.
align formula transformation with target quantity.
Hidden until you reveal it.
Align formula transformation with the target quantity asked by context.
Enter your answer
Your answer is equivalent to the expected form.
Walkthrough
Full solution stays hidden until you ask for it.
1. Read what the question asks to find.
2. Match that quantity to a formula variable.
3. Choose that variable as the isolation target.
Use the worked steps, then substitute the final answer back into the original relationship to confirm it satisfies the prompt.
Isolating a convenient but irrelevant variable.