SOLUTION: Working together, Harold and Yolanda can mop the entire freshman wing in 4 hours. How long would it take each person working individually to mop the entire freshman wing if it take

Algebra ->  Rate-of-work-word-problems -> SOLUTION: Working together, Harold and Yolanda can mop the entire freshman wing in 4 hours. How long would it take each person working individually to mop the entire freshman wing if it take      Log On


   

Question 1176003: Working together, Harold and Yolanda can mop the entire freshman wing in 4 hours. How long would it take each person working individually to mop the entire freshman wing if it takes Harold 30 mins longer?
Answer by josgarithmetic(39623) About Me  (Show Source):
You can put this solution on YOUR website!
Half hour is thirty minutes.
If Yolanda's time alone were y, then Harold's time for the job alone would be y%2B1%2F2.


1%2F4=1%2Fy%2B1%2F%28y%2B1%2F2%29.
Simplify and solve for y. Time is in HOURS.