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Lino can finish making table in 6 hours while Rico can do the job in 7 hours. How long will it take for the two, working together to finish making a table? If we let x represent the number of hours required for both men to finish the job which equation represent the given situation?

A. ¹/x = ⅙ + ⅐
B. ¹/x = ⅐ - ⅙
C. ⅙ = ⅐ + ¹/x
D. ⅙ + ⅐ = x​