SOLUTION: 2. A pool company is trying out several new drains. Drain A empties a pool at a rate of 2 gal/min. Drain B empties a pool at a rate of 5 gal/min. One pool has 108 gal of water in i

Algebra ->  Rate-of-work-word-problems -> SOLUTION: 2. A pool company is trying out several new drains. Drain A empties a pool at a rate of 2 gal/min. Drain B empties a pool at a rate of 5 gal/min. One pool has 108 gal of water in i      Log On


   

Question 1051130: 2. A pool company is trying out several new drains. Drain A empties a pool at a rate of 2 gal/min. Drain B empties a pool at a rate of 5 gal/min. One pool has 108 gal of water in it. Write an equation for each drain that shows the amount of time it takes to empty the pool. Then solve each equation showing your work.
Answer by josmiceli(19441) About Me  (Show Source):
You can put this solution on YOUR website!
Rate for drain A:
+2+ gal/min
Rate for drain B:
+5+ gal/min
Let +t+ = time in minutes
------------------
Equation for drain A:
(1) +108+=+2t+
Equation for drain B:
(2) +108+=+5t+
---------------------
(1)
+t+=+108%2F2+
+t+=+54+ min
(2)
+t+=+108%2F5+
+t+=+21.6+ min