Pool is 25ft long and 15 ft wide and the width of the walkway is to be the same all around the pool. how wide do i make the walkway?

in problems involving proportions, we can use cross products to test whether two ratios are equal and form a proportion. to find the cross products of a proportion, we multiply the outer terms, called the extremes, and the middle terms, called the means.

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is there more info provided? there is not enough information given in the problem