Question
PSLE
Mr Chew bought some swordtails at $10 each. He also bought an equal number of guppies at a different price. The average price of a swordtail and a guppy was $9. Mr Chew paid $12 less for the guppies than the swordtails. How many swordtails did he buy?
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PSLE
Mr Chew bought some swordtails at $10 each. He also bought an equal number of guppies at a different price. The average price of a swordtail and a guppy was $9. Mr Chew paid $12 less for the guppies than the swordtails. How many swordtails did he buy?