If a complete a job in 20 mint and b in 30 mint if they do the same job together how much time will they take
Answers
Answered by
0
Answer:
a+b/2
=20+30/2
=50/2
=25
so it takes 25 minutes
Answered by
0
Answer:
they will complete a job in 10 min because
Step-by-step explanation:
the time interval between the two 20 and 30 min the time left 10 min so they will complete a job in 10 min
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