Chapter 0, Problem 24PO

To determine

To evaluate: the height of the actual painting.

Answer to Problem 24PO

The height of the actual painting is 15.75 inches.

Explanation of Solution

Given information:

It is given that a computer image of a painting is 320pixels wide by 240 pixels high.

It is also given that width of the actual painting 42 inches.

Let the height of the image be ‘x’.

It is understood that computer image and actual painting are similar,

So, the ratio of their sides is equal,

  $\begin{array}{c}\frac{320}{240}=\frac{42}{x}\\ x=\frac{42\times 240}{320}\\ =15.75\text{inches}\end{array}$

So, the height of the actual painting is 15.75 inches.