Question

A projector transforms the image on a computer screen so that it is dilated by ascale factor of 7/5. If the original image on the screen is 10 inches wide, find themew width after it is projected on the wall.

Answer 1

Okay, here we have this:

If it is dilated by a scale factor of 7/5, the new width will be:

10*(7/5)=70/5=14 inches.

Finally we obtain that the new width is 14 inches.