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For an average vehicle, the total stopping distance at 55 mph is at least _______ and increases to at least _______ when increased to 70 mph.

(A) 135 feet, 170 feet

(B) 260 feet, 310 feet

(C) 210 feet, 275 feet

(D) 275 feet, 490 feet

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Best answer

Correct answer is (D) 275 feet, 490 feet

Explanation: For an average vehicle, the total stopping distance at 55 mph is at least 275 feet and increases to at least 490 feet when increased to 70 mph.

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