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Mathematics, 30.01.2020 10:49 carolelai08
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
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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...
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