Question
PSLE
Mr Ma bought some fighting fishes at $9 each. He also bought an equal number of mollies at a different price. The average price of a fighting fish and a molly was $7. Mr Ma paid $16 less for the mollies than the fighting fishes. How many fighting fishes did he buy?
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PSLE
Mr Ma bought some fighting fishes at $9 each. He also bought an equal number of mollies at a different price. The average price of a fighting fish and a molly was $7. Mr Ma paid $16 less for the mollies than the fighting fishes. How many fighting fishes did he buy?