A pea patch is twice as big as a radish patch. If one sixth of the pea patch is 5 square feet. How much is a whole radish patch in square feet?
Let's think step by step.
15
A whole pea patch is 5 * 6 = 30 square feet.

A radish patch is 30 / 2 = 15 square feet.

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So, the final answer is 15