Two workers A and B can complete a work in 35 days and 45 days, respec – McqOptions

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1.	Two workers A and B can complete a work in 35 days and 45 days, respectively. Initially, both A and B started working together. However, A left some days and B alone completed the remaining work in 29 days. Find the number of days that A and B worked together.
A.	6 days
B.	7 days
C.	9 days
D.	5 days
Answer» C. 9 days

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