SOLUTION: -must show all work and what the variable represents. an equation to represent the problem, the solution and complete sentence that fully answers the problem 2. if Sammy can mow

Algebra ->  Percentage-and-ratio-word-problems -> SOLUTION: -must show all work and what the variable represents. an equation to represent the problem, the solution and complete sentence that fully answers the problem 2. if Sammy can mow      Log On


   



Question 589258: -must show all work and what the variable represents. an equation to represent the problem, the solution and complete sentence that fully answers the problem
2. if Sammy can mow a lawn in 3 hours and Laura can mow the same lawn in 4 hours, how long will it take them if they work together?

Answer by richwmiller(17219) About Me  (Show Source):
You can put this solution on YOUR website!
one problem per submission. no similar problems
x/3+x/4=1
7x=12
x=12/7