5 75 x 4 July 8, 2019 16 32 64 128 5 75 x 40 75 5 x 3 )= 45 75 5 4 x 5 10 10 75 x 5 4x 1 5 2 *( x 40 )= 75 75 x 40 x 5 mm channel weight 0 75 x 4 5 3 75 x 4 5 4 5 x 75 1 Unp 75 x 40 x 5 Solve 5 x 4 75 1 4 )( 5 6 x 75 432
