A can do a piece of work in 3 days. B can do it in 6 days. How long will A and B
take to complete the work together?
Answers
Answered by
12
Answer:
2 days
Step-by-step explanation:
a=1/3 ;
b=1/6 ;
a+b=1/3+1/6;
=6+3/18;
=9/18
=2days
Answered by
14
=A can do a piece of work in 3 days
=work done by a in 1day =1/3 days
= we can do a piece of work in 6 days = =work done by b in 1 day =1/6
=work done by both in 1 day =1/3+1/6
=3/6
=1/2
A and B can both the finish work in 2 days.
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