A packaging box has a length that is 5 more than width. The height is 10 more than length. Express in algebraic form the volume of the packaging box.
w = width
w + 5 = length {length is 5 more than the width} w + 15 = height {height is 10 more than the length} Volume of a box (rectangular prism) = length x width x height V = lwh = w(w + 5)(w + 15) {multiplied width by length by height} = (w² + 5w)(w + 15) {used distributive property} = w³ + 15w² + 5w² + 75w {used FOIL method / distributive property} = w³ + 20w² + 75w {combined like terms} Ask the House
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January 2021
