8.45 divided by 2.92 =2.87 pack or 3 full packs. But that isn t enough to figure in scrap. You ll need 4 packs to actually do the room. GL
simple ..13x7=91 sq feet ..devide by 10.76=8.45sq metres ..you will need 3 packs ...minmum length for any piece 450mm .hopefully you may not get many offcuts ..work it out before you cut