Question
PSLE
Mr Lin bought some mollies at $6 each. He also bought an equal number of goldfishes at a different price. The average price of a molly and a goldfish was $5. Mr Lin paid $18 less for the goldfishes than the mollies. How many mollies did he buy?
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PSLE
Mr Lin bought some mollies at $6 each. He also bought an equal number of goldfishes at a different price. The average price of a molly and a goldfish was $5. Mr Lin paid $18 less for the goldfishes than the mollies. How many mollies did he buy?