Posted by beatrice on Sunday, October 7, 2012 at 8:58pm.
Suppose that a picture is 8 inches by 10 inches (width by height). You want to enlarge it so it is 20 inches wide. How tall will it be?

math  Ms. Sue, Sunday, October 7, 2012 at 9:00pm
Cross multiply and solve for h.
Let h = height.
8/10 * 20/h