A cuboid has a totalsurface area of 241cm-2 a length of 6.5cm and a height of 4cm. Calculate the width
ends 2 * (4 w) = 8 w
top and bottom 2 * (6.5 w) = 13 w
sides 2 * (6.5*4) = 52 w
8 w + 13 w + 52 w = 241
top and bottom 2 * (6.5 w) = 13 w
sides 2 * (6.5*4) = 52 w
8 w + 13 w + 52 w = 241