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Tom paints the den in 45 minutes and Bobby in 60 minutes. Together they need about:
A26 minutes
B36 minutes
C46 minutes
D56 minutes
Answer & Solution
Correct answer: A. 26 minutes
1. Multiply 45 by 60 to get 2700.
2. Divide that by their sum, 105.
3. That is about 26 minutes.
_Source: OpenStax Elementary Algebra, Chapter 8, Solve Uniform Motion and Work Applications._
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