Question
PSLE
Mr Leow bought some swordtails at $4 each. He also bought an equal number of goldfishes at a different price. The average price of a swordtail and a goldfish was $3. Mr Leow paid $20 more for the swordtails than the goldfishes. How many swordtails did he buy?
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PSLE
Mr Leow bought some swordtails at $4 each. He also bought an equal number of goldfishes at a different price. The average price of a swordtail and a goldfish was $3. Mr Leow paid $20 more for the swordtails than the goldfishes. How many swordtails did he buy?