A and B together complete a piece of work in T days. If A alone completes the work in T +3 days and B alone completes the piece of work in T +12 days, what is T ?
A and B together complete a piece of work in T days. If A alone completes the work in T +3 days and B alone completes the piece of work in T +12 days, what is T ?
A3 days
B6 days
C9 days
DCannot be determined
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