A rectangular window is 3 ft long and 2 ft wide. Karen would like to buy a screen for the window. The cost of the screen is based on the number of square inches th screen is. Use the facts to find the area of the window square inches.
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To find the area of the window in square inches, first calculate the area in square feet. The area \( A \) of a rectangle is given by the formula \( A = \text{length} \times \text{width} \). In this case, the area in square feet is \( 3 \, \text{ft} \times 2 \, \text{ft} = 6 \, \text{sq ft} \). Since there are 144 square inches in a square foot (12 in x 12 in), multiply the area in square feet by 144 to convert it to square inches: \( 6 \, \text{sq ft} \times 144 \, \text{in}^2/\text{sq ft} = 864 \, \text{sq in} \). If Karen wants to avoid accidental costs when ordering her screen, she's got to double-check her measurements! Measure the window a second time, ideally using the same measuring tape, just to ensure accuracy. Overestimating could lead to buying too much material, while underestimating can result in extra trips to the store – which nobody enjoys!
