Nick and matt want to compare the size of their square computer screens. the only information they know is that nick's computer screen contains 409,600 pixels and matt's computer screen contains 640,000. if both computers display images at about 80 pixels per inch, how many inches wider is matt's computer screen

Amira is painting a rectangular banner 2 1/4 yards wide. the banner will have a blue background. amira has enough paint to cover 1 1/2 square yards of the wall. the school colors are blue and yellow, so amira wants to add yellow rectangles on the left and right sides of the blue rectangle. the yellow rectangles will each be 3/4 yards wide and the same height as the blue rectangle. what will be the total area of the two yellow rectangles?