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Tom's fish tank was filled half way. He added 18 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 2 gallons of water to the tank and found that it was then 4/7 full. How much water can the tank hold altogether?



Tom's fish tank was filled half way. He added 15 gallons of water to the tank and found that it was then 7/9 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 4/5 full. How much water can the tank hold altogether?



Tom's fish tank was filled half way. He added 7 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 10 gallons of water to the tank and found that it was then 3/4 full. How much water can the tank hold altogether?



Tom's fish tank was filled half way. He added 20 gallons of water to the tank and found that it was then 9/10 full. How much water can the tank hold altogether?



창수네 어항 물통에 물이 반이 차있다. 거기에 9 갤론의 물을 부워 주었더니 물의 양이 전체의 2/3 만큼 찼다. 그러면 이물통의 전체양은 몇갤론인가?



Tom's fish tank was filled half way. He added 48 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 4 gallons of water to the tank and found that it was then 5/6 full. How much water can the tank hold altogether?

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