Question

Find the actual distance from Portland to Boise using the picture

.

Short answer

The actual distance is 350 miles.

Step-by-step solution

Given information

The picture

is given to find the actual distance.

Find the actual distance

As given in the picture, the distance from Seattle to Boise is 400 miles and it has been represented by 4 inches line.

• Hence divide 400 by 4 to find the scale and then multiply the obtained scale by the shown inches to find the required actual distance.

$\begin{array}{rcl}Actualdis\tan ce& =& \frac{400}{4}\times 3.5\\ & =& 100\times 3.5\\ & =& 350miles\end{array}$