A can do a job in 15 days and B can do it in 60 days. A and B working together will finish twice the amount of work in ------- days?
Choose the correct choice from the following answers:	A) 22 1/2 days	B) 22 1/2 days	C) 22 days	D) 25 days	E) 24 days
1/15+ 1/60= 5/60= 1/12   12/1= 
<gadget id="calculator">12/1</gadget>
<output>12</output>
12*2= 
<gadget id="calculator">12*2</gadget>
<output>24</output>
24 days   Answer: 24 days
<result>E</result>
A can do a job in 15 days and B can do it in 60 days. A and B working together will finish twice the amount of work in ------- days?