SOLUTION: Mario can finish a job for 2 hours longer than karlo. After mario had been working for 1 hour Karlo joined him and they completed the remaining portion of the job for 3 hours . How

Algebra ->  Rate-of-work-word-problems -> SOLUTION: Mario can finish a job for 2 hours longer than karlo. After mario had been working for 1 hour Karlo joined him and they completed the remaining portion of the job for 3 hours . How      Log On


   

Question 1143252: Mario can finish a job for 2 hours longer than karlo. After mario had been working for 1 hour Karlo joined him and they completed the remaining portion of the job for 3 hours . How long would it take Mario to do the job if he work alone. ANSWER WITH SOLUTION


Answer by josgarithmetic(39621) About Me  (Show Source):
You can put this solution on YOUR website!
Mario, 1%2Fm
Karlo, 1%2F%28m-2%29
-
One job being done and finished
%281%2Fm%29%2A1%2B3%281%2Fm%2B1%2F%28m-2%29%29=1

highlight_green%281%2Fm%2B3%281%2Fm%2B1%2F%28m-2%29%29=1%29
Solve this for m, the time for Mario to do one job, alone.