 
<translate> Enwere ụlọ iri na atọ - asatọ = ụlọ ise nwere akwa atọ. E nwere 5 * 3 = 15 akwa maka ụlọ ndị ahụ nwere akwa atọ n'ime ha. Enwere 8 * 2 = 16 akwa maka ụlọ ndị ahụ nwere akwa abụọ n'ime ha. E nwere 15 + 16 = àkwà 31 n'ozuzu. Azịza ya bụ: 31. <eng> There are 13 - 8 = 5 rooms with three beds. There are 5 * 3 = 15 beds for those hotel rooms that have three beds in them. There are 8 * 2 = 16 beds for those hotel rooms that have two beds in them. There are 15 + 16 = 31 beds in total. The answer: 31. 