B completes a work in 7 days. A alone can do it in 10 days. If both work together, the work can be completed in how many days?	Choices:
A) 3.75 days	B) 4.11 days	C) 5.11days	D) 6.75 days	E) 7.33 days
1/7 + 1/10 = 17/70   70/17 = 4.11 days   ANSWER:4.11 days
<result>B</result>
B completes a work in 7 days. A alone can do it in 10 days. If both work together, the work can be completed in how many days?