Question

A scale drawing of an office building is not labeled, but indicates 1/5=5 inches feet. On the drawing, one wall measures 4 inches. How long is the actual wall?

Answer 1

Given

The scale drawing measurement is given

`(1)/(5)in=5feet`Step-by-step explanation

To determine the actual length of wall ,when the wall measures 4 inches.

Apply the conversion method.

`\begin{gathered} (1)/(5)in=5feet \\ 1in=(5)/((1)/(5))feet \\ 1in=25feet \end{gathered}`

Then the actual length of wall is measured as

`4in=4*25=100feet`Answer

Hence the actual length of wall is 100 feet.