A and B complete a work in 7 days. A alone can do it in 14 days. If both together can do the work in how many days?
Pick: A) 4.6 days B) 4.78 days C) 5.65 days D) 3.77 days E) 5.75 days
1/7 + 1/14 = 3/14   14/3 = 4.6 days   4.6 daysnswer:4.6 days
<result>A</result>
A and B complete a work in 7 days. A alone can do it in 14 days. If both together can do the work in how many days?