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A 500 gallon fish tank is 2/5 full. how much more water is needed to fill the fish tank

1 Answer

1 vote

Answer:

Explanation:

1st way:

  • 2/5 of 500 gallons = 200 gallons
  • 500 gallons total - 200 gallons full = 300 gallons of water

2nd way:

  • 5/5 = 1 (a whole); 5/5 - 2/5 full = 3/5 more water
  • 3/5(500) = t
  • 3/5 * 500 = 300 gallons of water
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