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Her daughter takes twice as long to do thejob.

Working together, they can do the job in 6hours.

How many hours does the mother take to do the job

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A mother can do a certain job in xhours.

Her daughter takes

Her daughter takes

Two workers A and B are engaged to do awork.

A working alon

A working alon

Eighteen years ago, a mother was three times as old as her d

Two workers A and B manufactured a batch of identicalparts.

Worker A takes 8 hours to do ajob.

Worker B takes 10 hours

Worker B takes 10 hours

Worker A takes 8 hours to do ajob.

Worker B takes 10 hours

Worker B takes 10 hours

Worker A takes 8 hours to do ajob.

Worker B takes 10 hours

Worker B takes 10 hours

A father can do a job as fast as his two sons working togeth

A father can do. a job as fast as his two sons working toget

A, B, C, D and E play a game ofcards.

A says to B, "If you

A says to B, "If you