2:n=18:81

asked by guest
on Nov 18, 2024 at 2:14 am



You asked:

Solve \(2 : n=18 : 81\) for the variable \(n\).

MathBot Answer:

$$\begin{aligned}n &= 9\end{aligned}$$

Express both ratios as fractions. \[\frac{2}{n} = \frac{18}{81}\]

Cross-multiply and solve for the unknown. $$\begin{aligned}\frac{2}{n} &= \frac{18}{81} \\ 162 &= 18 n \\ n &&= 9 \end{aligned}$$

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