Luis knows that his pool holds 3,050 gallons and that his water pump will pump the water out at a rate of 9 gallons per minute. How long will it take Luis to have an empty pool?
Write an equation. My answer choices are
y=-9x+3050
y=9x+3050
9x-y=-3050
9x+y=3050
Write an equation. My answer choices are
y=-9x+3050
y=9x+3050
9x-y=-3050
9x+y=3050
