Welcome! You are encouraged to register with the site and login (for free). When you register, you support the site and your question history is saved.
Review: A Painting Machine's Rate
Explanation
In this question, since the rate of this painting is
constant, we can write a fraction for its rate painting so far and set it equal
to the rate of the rest of the paining to be done:
Cross-multiplying:
A fifth of an hour is minutes, so the time remaining is 8 hours and
24 minutes. The correct answer is (B).
If you believe you have found an error in this question or explanation, please contact us and include the question title or URL in your message.