Question
PSLE
Mr Chen bought some guppies at $7 each. He also bought an equal number of mollies at a different price. The average price of a guppy and a molly was $6. Mr Chen paid $12 less for the mollies than the guppies. How many guppies did he buy?
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PSLE
Mr Chen bought some guppies at $7 each. He also bought an equal number of mollies at a different price. The average price of a guppy and a molly was $6. Mr Chen paid $12 less for the mollies than the guppies. How many guppies did he buy?