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Tom's fish tank was filled half way. He added 21 gallons of water to the tank and found that it was then 4/5 full. How much water can the tank hold altogether?



Tom's fish tank was filled half way. He added 9 gallons of water to the tank and found that it was then 2/3 full. How much water can the tank hold altogether?



Tom's fish tank was filled half way. He added 6 gallons of water to the tank and found that it was then 7/8 full. How much water can the tank hold altogether?



Tom's fish tank was filled half way. He added 9 gallons of water to the tank and found that it was then 2/3 full. How much water can the tank hold altogether?



Tom's fish tank was filled half way. He added 21 gallons of water to the tank and found that it was then 7/8 full. How much water can the tank hold altogether?

Tom's fish tank was filled half way. He added 63 gallons of water to the tank and found that it was then 8/9 full. How much water can the tank hold altogether?



Tom's fish tank was filled half way. He added 10 gallons of water to the tank and found that it was then 9/14 full. How much water can the tank hold altogether?



창수네 어항 물통에 물이 반이 차있다. 거기에 14 갤론의 물을 부워 주었더니 물의 양이 전체의 3/4 만큼 찼다. 그러면 이물통의 전체양은 몇갤론인가?



Tom's fish tank was filled half way. He added 16 gallons of water to the tank and found that it was then 11/18 full. How much water can the tank hold altogether?



Tom's fish tank was filled half way. He added 18 gallons of water to the tank and found that it was then 11/16 full. How much water can the tank hold altogether?

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