Digital photography allows pictures to be printed in almost any size you want. Suppose you want the length and width of the 4 inch by 6 inch picture to be \( 40 \% \) larger so it will fit an antique frame. What is the new area of the picture?
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To find the new dimensions of the picture after increasing each by \( 40\% \), first calculate the new length and width. 1. Original length = 6 inches - New length = \( 6 + (0.40 \times 6) = 6 + 2.4 = 8.4 \) inches 2. Original width = 4 inches - New width = \( 4 + (0.40 \times 4) = 4 + 1.6 = 5.6 \) inches Now, we calculate the new area: - New area = Length × Width - New area = \( 8.4 \times 5.6 \) Calculating that: \[ 8.4 \times 5.6 = 47.04 \text{ square inches} \] So, the new area of the picture is \( 47.04 \text{ square inches} \).