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Chapter 3: Q.69 (page 113)

$0.05 n + 0.10 (n + 8) = 2.15$

Short Answer

Expert verified

The value of $n = 9$

Step by step solution

01

- The given information

$0.05 n + 0.10 (n + 8) = 2.15$

02

Step 2

$0.05 n + 0.10 (n + 8) = 2.15 \Rightarrow 0.05 n + 0.10 n + 0.80 = 2.15 \Rightarrow 0.15 n = 1.35 \Rightarrow n = 9$

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Most popular questions from this chapter

Solve each system of equations by graphing.

$\begin{matrix} y = 3 x - 8 \\ y = x - 8 \end{matrix}$

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$5 (4 x + 2 y - x + 2)$

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$\begin{matrix} 20 y + 13 x = 10 \\ 0.65 x + y = 0.5 \end{matrix}$

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