Answer: 1 inches = 6 inches
Explanation:
From the question, we are informed that an image of a book shown on a website is 1.5 inches wide and 3 inches tall on a computer monitor and that the actual width of the book is 9 inches.
Based on the above analysis, the scale that is being used for the image is:
= 1.5/9
= 1/6
= 1:6
Therefore, the scale is used is:
1 inches = 6 inches