Solve for x<span>: </span> Remove the Parenthesis. Simplify. Add -4 to both sides. Simplify. Add 8x to both sides. Simplify. Divide both sides by 12. Simplify.
You are told that sprinklers run for the same amount of time. lets refer to this time as T. you are told that 4 sprinkles run one at a time for 50 minutes total. that means that T should be 50/4 = 12.5 minutes = 12 minutes and 30 seconds