Question
PSLE
Mr Teo bought some fighting fishes at $7 each. He also bought an equal number of neon tetras at a different price. The average price of a fighting fish and a neon tetra was $6. Mr Teo paid $6 more for the fighting fishes than the neon tetras. How many fighting fishes did he buy?
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PSLE
Mr Teo bought some fighting fishes at $7 each. He also bought an equal number of neon tetras at a different price. The average price of a fighting fish and a neon tetra was $6. Mr Teo paid $6 more for the fighting fishes than the neon tetras. How many fighting fishes did he buy?