Question
PSLE
Mr Yeo bought some catfishes at $4 each. He also bought an equal number of mollies at a different price. The average price of a catfish and a molly was $3. Mr Yeo paid $22 more for the catfishes than the mollies. How many catfishes did he buy?
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PSLE
Mr Yeo bought some catfishes at $4 each. He also bought an equal number of mollies at a different price. The average price of a catfish and a molly was $3. Mr Yeo paid $22 more for the catfishes than the mollies. How many catfishes did he buy?