P can complete a work in 12 days working 8 hours a day. Q can complete the same work in 8 days working 10 hours a day. If P and Q work together, working 8 hours a day, in how many days can they complete the work ?
P can complete a work in 12 days working 8 hours a day. Q can complete the same work in 8 days working 10 hours a day. If P and Q work together, working 8 hours a day, in how many days can they complete the work ?
A$6\frac{6}{11}$
B$6\frac{5}{11}$
C$5\frac{6}{11}$
D$5\frac{5}{11}$
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