Maths Rats holiday in Snowdonia

More difficult than you might think to find the cheapest deal, including percentages.

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A holiday which might cost more than it should unless there is some careful calculating.

This is complicated with special offers and percentages off making finding the cheapest deal difficult to work out.

Much trickier than it first looks, with many possible options to choose from. Some time is needed to complete this correctly.

Place the numbers 1 to 9 in the boxes so that each side of the triangle adds up to 20.