SOLUTION: It takes a small sprinkler 15 min longer to soak a lawn than it takes a large sprinkler. Working together, the sprinklers can soak the lawn in 4 min. How long would it take each sp

Algebra ->  Equations -> SOLUTION: It takes a small sprinkler 15 min longer to soak a lawn than it takes a large sprinkler. Working together, the sprinklers can soak the lawn in 4 min. How long would it take each sp      Log On


   

Question 1058305: It takes a small sprinkler 15 min longer to soak a lawn than it takes a large sprinkler. Working together, the sprinklers can soak the lawn in 4 min. How long would it take each sprinkler, working alone, to soak the lawn?
Answer by josgarithmetic(39616) About Me  (Show Source):
You can put this solution on YOUR website!

                         RATE in LAWNSOAK%2FMINUTE

Sprinkler                 1%2F%28x%2B15%29

Other sprinkler           1%2Fx

Both of them together     1%2F4


1%2F%28x%2B15%29%2B1%2Fx=1%2F4