Question
PSLE
Mr Toh bought some guppies at $8 each. He also bought an equal number of swordtails at a different price. The average price of a guppy and a swordtail was $7. Mr Toh paid $8 less for the swordtails than the guppies. How many guppies did he buy?
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PSLE
Mr Toh bought some guppies at $8 each. He also bought an equal number of swordtails at a different price. The average price of a guppy and a swordtail was $7. Mr Toh paid $8 less for the swordtails than the guppies. How many guppies did he buy?