Problem 27 of 7
Write rational constraint from rate or resource context Person A can complete a job in x hours. Person B can complete the same job in x+2 hours. If they work together, they complete the job in 3 hours.
Using a hint is okay. It just tells the trainer to give you a little more review.
Hidden until you reveal it.
model denominator restrictions and thresholds.
Hidden until you reveal it.
Model thresholds and denominator restrictions.
Enter your answer
Your answer is equivalent to the expected form.
Walkthrough
Full solution stays hidden until you ask for it.
1. Identify rate, average, or resource ratio.
2. Write rational expression and threshold.
3. State denominator and context restrictions.
Use the worked steps, then substitute the final answer back into the original relationship to confirm it satisfies the prompt.
Allowing denominator zero or negative impossible quantities.