Question
PSLE
Mr Sim bought some neon tetras at $4 each. He also bought an equal number of mollies at a different price. The average price of a neon tetra and a molly was $3. Mr Sim paid $6 less for the mollies than the neon tetras. How many neon tetras did he buy?
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PSLE
Mr Sim bought some neon tetras at $4 each. He also bought an equal number of mollies at a different price. The average price of a neon tetra and a molly was $3. Mr Sim paid $6 less for the mollies than the neon tetras. How many neon tetras did he buy?