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The teacher projects images on theboard. Her 6 inch ruler projects to 15inches and her paper projects to 35inches on the board. What is the actuallength of the paper? Use the first digit ofyour answer for Q.

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SOLUTION

From the question

6 inches ruler projects 15 inches on the board and

paper projects 35 inches on the board

Let P represents the length of the paper. so we have

[tex]\begin{gathered} 6\text{ inches }\rightarrow15\text{ inches } \\ P\text{ inches }\rightarrow35\text{ inches } \\ cross\text{ multiply we have } \\ 6\times35=15\times P \\ 210=15P \\ P=\frac{210}{15} \\ P=14 \end{gathered}[/tex]

Hence the length of the paper is 14 inches

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