A and B complete a work in 16 days. A alone can do it in 40 days. If both together can do the work in how many days?
Choose the correct choice from the following options.
A) 1.0875 days B) 0.1875 days C) 0.0675 days D) 0.0875 days E) 0.0775 days
1/16 + 1/40= 
<gadget id="calculator">1/16 + 1/40</gadget>
<output>7/80 = around 0.0875</output>
0.0875 days   ANSWER:0.0875 days
<result>D</result>
A and B complete a work in 16 days. A alone can do it in 40 days. If both together can do the work in how many days?