A is 20% more èfficient than B. How much time will they working together take to complete a job which A alone could have done in 29 days

Question

Jaishree Maity · Answer

174/11

Puja R V · Answer

A = (120/100)B ---- (1)
A*29 = (A+B)*N 
=&gt; N = 14.9

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