Answer:
666 2/3 gallons per minute
Step-by-step explanation:
1 valve: 40,000 wps
60 seconds in 1 minute,
40,000 / 60 = 666 2/3
Firstly, foil 4(7 - 2x):
Next, combine like terms:
Next, add 5x on both sides of the equation:
Next, subtract 28 on both sides of the equation:
Lastly, divide both sides by 2 and your answer will be:
1/x^2 because of the negative power rule.