Respuesta :

Answer:

Since 40% of 18,000 gallons is 7,200 gallons filled up, then 18,000-7,200 gallons= 10,800 gallons left to fill up the pool

Step-by-step explanation:

40% of 18,000 gallons means

40 x 180= 7,200 gallons

18,000-7,200 gallons= 10,800 gallons