Question
PSLE
Mr Ee bought some neon tetras at $9 each. He also bought an equal number of fighting fishes at a different price. The average price of a neon tetra and a fighting fish was $6. Mr Ee paid $72 less for the fighting fishes than the neon tetras. How many neon tetras did he buy?
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PSLE
Mr Ee bought some neon tetras at $9 each. He also bought an equal number of fighting fishes at a different price. The average price of a neon tetra and a fighting fish was $6. Mr Ee paid $72 less for the fighting fishes than the neon tetras. How many neon tetras did he buy?