Question
PSLE
Mr Chan bought some catfishes at $5 each. He also bought an equal number of fighting fishes at a different price. The average price of a catfish and a fighting fish was $4. Mr Chan paid $8 more for the catfishes than the fighting fishes. How many catfishes did he buy?
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PSLE
Mr Chan bought some catfishes at $5 each. He also bought an equal number of fighting fishes at a different price. The average price of a catfish and a fighting fish was $4. Mr Chan paid $8 more for the catfishes than the fighting fishes. How many catfishes did he buy?