SOLUTION: Gina and Cal can spray an orchard in 8 hours. Gina working alone would take 12 hours to do the job. How long would it take Cal working alone to do the job?

Algebra ->  Rate-of-work-word-problems -> SOLUTION: Gina and Cal can spray an orchard in 8 hours. Gina working alone would take 12 hours to do the job. How long would it take Cal working alone to do the job?      Log On


   

Question 449552: Gina and Cal can spray an orchard in 8 hours. Gina working alone would take 12 hours to do the job. How long would it take Cal working alone to do the job?
Answer by rwm(914) About Me  (Show Source):
You can put this solution on YOUR website!
8/12+8/c=1
2/3+8/c=1
8/c=1/3
c=24 hrs for cal working alone.