Question 11
The lengths of two rectangles are 11 m and 19 m respectively. Given that their total area is 321 m², find the difference in their areas. Note: both their widths are whole numbers. Enter the area in square metres.
Editorial convention: each stated length is the longer side, so its width does not exceed it; this is needed for the supplied answer.
Editorial convention: each stated length is the longer side, so its width does not exceed it; this is needed for the supplied answer.