A can do a work in 15 days and b in 30 days if they work together how much time will a and b take to complete the wor
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Answer:
10 days
Step-by-step explanation:
a can do 1/15 of work in a day
and b can do 1/30 of work in a day
that is , if they work together they can do 1/10 of work in a day (1/15 +1/30 =3/30)
hence, they both can complete this work together in 10 days
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