A and B complete a work in 30 days. A alone can do it in 40 days. If both together can do the work in how many days? Choose the correct option:
A) 1.0875 days B) 0.1873 days C) 0.0673 days D) 0.0583 days E) 0.0773 days
1/30 + 1/40 = 0.0583 days   ANSWER:0.0583 days
<result>D</result>
A and B complete a work in 30 days. A alone can do it in 40 days. If both together can do the work in how many days?