A and B can do a piece of work in 45 days and 40 days respectively. They began the work together. But A leaves after some days and B finished the remaining work in 23 days. After how many days did A leave ? *
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Answer:
A left after 9 days
Step-by-step explanation:
B complete total work in 23 days.
=23×9
work done by A+B=360−207=153
They did it in 153(9+8)
=9 days
A left after 9 days
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