Question
PSLE
Mr Tay bought some catfishes at $5 each. He also bought an equal number of neon tetras at a different price. The average price of a catfish and a neon tetra was $4. Mr Tay paid $10 less for the neon tetras than the catfishes. How many catfishes did he buy?
2 m

Click button first when a symbol is required. X

PSLE
Mr Tay bought some catfishes at $5 each. He also bought an equal number of neon tetras at a different price. The average price of a catfish and a neon tetra was $4. Mr Tay paid $10 less for the neon tetras than the catfishes. How many catfishes did he buy?