A can terminate a work 9 hour earlier than B. A and B terminate that work after 20 hour together. A can terminate that work after .... hour.


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Question Number 63812 by kaivan.ahmadi last updated on 09/Jul/19

$A c a n t e r m i n a t e a w o r k 9 h o u r e a r l i e r$ $t h a n B .$ $A a n d B t e r m i n a t e t h a t w o r k a f t e r 20 h o u r t o g e t h e r .$ $A c a n t e r m i n a t e t h a t w o r k a f t e r . . . . h o u r .$
Commented by kaivan.ahmadi last updated on 09/Jul/19

$i f o u n d a w a y a n d i w a n t a n o t h e r w a y .$ $\frac{1}{x} + \frac{1}{x + 9} = \frac{1}{20} \Rightarrow x = 36$
Commented by MJS last updated on 09/Jul/19

${there}^{'} s no other way$
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