Question
PSLE
Mr Zhang bought some fighting fishes at $9 each. He also bought an equal number of goldfishes at a different price. The average price of a fighting fish and a goldfish was $8. Mr Zhang paid $16 more for the fighting fishes than the goldfishes. How many fighting fishes did he buy?
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PSLE
Mr Zhang bought some fighting fishes at $9 each. He also bought an equal number of goldfishes at a different price. The average price of a fighting fish and a goldfish was $8. Mr Zhang paid $16 more for the fighting fishes than the goldfishes. How many fighting fishes did he buy?