7:n = 28:40

asked by guest
on Nov 18, 2024 at 12:41 am



You asked:

Solve \(7 : n=28 : 40\) for the variable \(n\).

MathBot Answer:

$$\begin{aligned}n &= 10\end{aligned}$$

Express both ratios as fractions. \[\frac{7}{n} = \frac{28}{40}\]

Cross-multiply and solve for the unknown. $$\begin{aligned}\frac{7}{n} &= \frac{28}{40} \\ 280 &= 28 n \\ n &&= 10 \end{aligned}$$

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