Discussion

Explanation:

Consider the solution to first question of this set.

Number of residents who own straight-fit jeans = 2y + x + x + x = 2y + 3x = 9x

Number of residents who own straight-fit jeans and also own at least one more type of jeans = x + x + x = 3x

∴ Required % = 3x/9x × 100 = 33.33) %.

Hence, option (d).

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