A can finish a piece of work in 6 hours and B can do the same work in 7 1/2 hours how long will they take over if they do it together
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Answer:
3 1/3
Step-by-step explanation:
A-1/6
B-2/15
A+B= 1/6+2/15
= 9/30 = 3/10
Ans: 10/3 =3 1/3
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