Mathematics, 26.04.2021 22:10, avaleasim

In a shop where all items cost a whole number of dollars, I bought 3 packets of plain biscuits and 5 packets of chocolate biscuits. The total cost was $34. Harold says, ‘The packets of chocolate biscuits must have cost $2 each. Show that Harold is wrong.

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In a shop where all items cost a whole number of dollars, I bought 3 packets of plain biscuits and 5...