you have been given the task of inlarging a 7inch wide by 9i

you have been given the task of inlarging a 7-inch wide by 9-inch high concert ad photo to a poster size to display around campus?                                                                                                                                                                   

If you increased the width of any size of the advertisement by 14 inches, by how much does the height need to be increased, so the image is not distorted?

Solution

If the width changes to 14 inches then hight is reduce to half

then becomes 4.5 inches

then the image remains same and it will not be distroyed.