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sleet_krkn [62]
3 years ago
10

Ann works 51/2 hours, Mary works 61/3 hours, and John works 41/4 hours. How many combined hours have they worked? A. 155/12 B. 1

65/12 C. 161/12 D. 151/12
Mathematics
1 answer:
Inga [223]3 years ago
7 0

Answer:

C.  16 + 1/12

Step-by-step explanation:

5 + 1/2  =  11/2 =  66/12

6 + 1/3  =  19/3   =  76/12

4 + 1/4  =  17/4   =   51/12

66/12  +  76/12  +  51/12  =  193/12

193/12  =  16 +  1/12

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