SOLUTION: Mark and Plato can paint one wall together in 8 minutes. It takes Mark and Plato the same amount of time to paint one wall alone. How long does it take Mark and Plato each to paint

Algebra ->  Rate-of-work-word-problems -> SOLUTION: Mark and Plato can paint one wall together in 8 minutes. It takes Mark and Plato the same amount of time to paint one wall alone. How long does it take Mark and Plato each to paint      Log On


   

Question 749868: Mark and Plato can paint one wall together in 8 minutes. It takes Mark and Plato the same amount of time to paint one wall alone. How long does it take Mark and Plato each to paint one wall?
Answer by josmiceli(19441) About Me  (Show Source):
You can put this solution on YOUR website!
They paint at the same rate:
Call the rate of each ( 1 wall ) / ( t min ) = +1%2Ft+
Add their rates to get the rate working together
+1%2Ft+%2B+1%2Ft+=+1%2F8+
+2%2Ft+=+1%2F8+
+t+=+16+
Either one painting the wall alone will take 16 min