Question
PSLE
Mr Chua bought some goldfishes at $10 each. He also bought an equal number of swordtails at a different price. The average price of a goldfish and a swordtail was $8. Mr Chua paid $20 more for the goldfishes than the swordtails. How many goldfishes did he buy?
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PSLE
Mr Chua bought some goldfishes at $10 each. He also bought an equal number of swordtails at a different price. The average price of a goldfish and a swordtail was $8. Mr Chua paid $20 more for the goldfishes than the swordtails. How many goldfishes did he buy?