Question
PSLE
Mr Yang bought some goldfishes at $10 each. He also bought an equal number of fighting fishes at a different price. The average price of a goldfish and a fighting fish was $9. Mr Yang paid $16 more for the goldfishes than the fighting fishes. How many goldfishes did he buy?
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PSLE
Mr Yang bought some goldfishes at $10 each. He also bought an equal number of fighting fishes at a different price. The average price of a goldfish and a fighting fish was $9. Mr Yang paid $16 more for the goldfishes than the fighting fishes. How many goldfishes did he buy?