A can finish a work in 24 days, B in 9 days and C in 12 days. B and C start the work but are forced to leave after 3 days. When A done the work?
Choose the correct choice from the following answers.
A) 10 days	B) 12 days	C) 13 days	D) 9 days	E) 14 days
B+C ==&gt;1/9+1/12 = 7/36   B ,C =in 3 days = 7/36*3 = 7/12   remaining work = 1-7/12 = 5/12   1/24 work is done by 10 days in 1 day   5/12 work is done 10 days 24*5/12= 
<gadget id="calculator">24*5/12</gadget>
<output>10</output>
10 days   10 daysNSWER 10 days
<result>A</result>
A can finish a work in 24 days, B in 9 days and C in 12 days. B and C start the work but are forced to leave after 3 days. When A done the work?