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Mathematics 15 Online
OpenStudy (anonymous):

Solve the problem. Brandon can paint a fence in 12 hours and Elaine can paint the same fence in 11 hours. How long will they take to paint the fence if they work together? Choose one right answer,please. a. 5 \frac{13}{24} hr b. 5 \frac{1}{4} hr c. 5 \frac{17}{23} hr d. 11 \frac{1}{2} hr

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