A and B finish the job in 15 days.while A,B and C can finish it in 6 days . C alone will finish the job in  Choose the correct choice.
A) 10 days	B) 30 days	C) 60 days	D) 70 days	E) 50 days
Explanation:   6 = (15 * x)/(15 + x)   90+6x=15x   9x=90   X=10   10 daysnswer: Option 10 days
<result>A</result>
A and B finish the job in 15 days.while A,B and C can finish it in 6 days . C alone will finish the job in