<span>The square framed poster has an area of 9 square feet making the dimensions of the poster 3 feet by 3 feet. Drew's box is a cube with a total volume of 30 cubic feet. This fives a dimension of 3.1 feet on a side. Therefore the poster will fit inside the box.</span>
There is one very important exception to the rule that multiplying or dividing an inequality is the same as multiplying or dividing an equation. Whenever you multiply or divide an inequality by a negative number, you must flip the inequality sign.