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Given:
[tex]\text{ Dimension = 3}\times5[/tex]Sol:
Area of picture is:
[tex]\begin{gathered} =\text{ length}\times\text{ Width} \\ \\ =15 \end{gathered}[/tex]If the cost $10 per square inch then price of 15 square inch is:
[tex]\begin{gathered} =15\times10 \\ \\ =150 \end{gathered}[/tex]If the quadruple of dimension that mean:
[tex]\begin{gathered} \text{ l ength = 4 length} \\ \\ Width\text{ = 4 width} \end{gathered}[/tex]So area is:
[tex]\begin{gathered} A=4\text{ length}\times4\text{ Width} \\ \\ A=4(15) \\ \\ A=60 \end{gathered}[/tex]So price is:
[tex]\begin{gathered} =60\times10 \\ \\ =600 \end{gathered}[/tex]