A and B complete a work in 6 days. A alone can do it in 10 days. If both together can do the work in how many days?
Select.
A) 3.75	B) 4	C) 2	D) 8	E) 7
1/6 + 1/10 = 8/30 = 4/15   15/4= 
<gadget id="calculator">15/4</gadget>
<output>15/4 = around 3.75</output>
3.75 days   3.75NSWER 3.75
<result>A</result>
A and B complete a work in 6 days. A alone can do it in 10 days. If both together can do the work in how many days?