A and B complete a work in 10 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 answers.
A) 1.0875 days  B) 0.125 days  C) 0.0675 days  D) 0.0875 days  E) 0.0775 days
1/10 + 1/40= 
<gadget id="calculator">1/10 + 1/40</gadget>
<output>1/8 = around 0.125</output>
0.125 days   ANSWER:0.125 days
<result>B</result>
A and B complete a work in 10 days. A alone can do it in 40 days. If both together can do the work in how many days?