A and B finish the job in 15 days.while A,B and C can finish it in 3 days . C alone will finish the job in
Pick one.
A) 4.75 days  B) 3.75 days  C) 6.50 days  D) 7.50 days  E) 5.50 days
Explanation:   3 = (15 * x)/(15 + x)   45+3x=15x   12x=45   X=3.75   Answer: Option 3.75 days
<result>B</result>
A and B finish the job in 15 days.while A,B and C can finish it in 3 days . C alone will finish the job in