Question

Sally painted a picture that has an area of 480 square inches. the length of the painting is 1 1/5 its width. Which could be the dimentions of the painting?

Answer 1

`Area=width*length\\\\ Area=480in^2\\ length=1(1)/(5)width\\\\ 480=width*1(1)/(5)width\\\\ 480=1.2width^2\ \ \ | divide\ by\ 1.2\\\\ width^2=400\ \ \ | make\ square\ root\\\\ width=20in\\\\ length=20*1.2=24\ in\\\\ Dimensions:\ 24inx20in`