**PART 1**

The price tags on three items in a store are :

We note that

Find four prices, **a, b, c,** and **d** such that

Paul and David answered correctly

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**PART 2**

Find four prices, **A, B, C,** and **D** such that

N.B. there are two solutions.

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The two solutions are:-

1, 1.5, 2, 2.25

1.2, 1.25, 1.8, 2.5

Paul.