The width of a rectangle measures left parenthesis, 6, point, 6, p, plus, 9, point, 4, q, right parenthesis(6.6p+9.4q) centimeters, and its length measures left parenthesis, 6, point, 7, p, minus, 4, point, 7, q, right parenthesis(6.7p−4.7q) centimeters. Which expressionrepresents the perimeter, in centimeters, of the rectangle?
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