Question
PSLE
Mr Sih bought some swordtails at $5 each. He also bought an equal number of neon tetras at a different price. The average price of a swordtail and a neon tetra was $4. Mr Sih paid $20 more for the swordtails than the neon tetras. How many swordtails did he buy?
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PSLE
Mr Sih bought some swordtails at $5 each. He also bought an equal number of neon tetras at a different price. The average price of a swordtail and a neon tetra was $4. Mr Sih paid $20 more for the swordtails than the neon tetras. How many swordtails did he buy?