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Ann works 51/2 hours, Mary works 61/3 hours, and John works 41/4 hours. How many combined hours have they worked?

A. 151/12
B. 155/12
C. 161/12
D. 165/12

Respuesta :

nikkifaithgirl
Combining the answers to get the sum of the hours, adding 5.5+6.3+4.25( the decimal equivalents of your fractions listed) is the equivalent of 16.05hrs. The closest answer to this would be an estimated 16.08 AKA Answr C. 

Hope this helps!! (:

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