Answer :
The total area is 2( 2.5*3 +3*1.5 + 2.5*1.5) =2( 7.5 + 4.5 + 3.75) =2*15.75 = 31.5 ;
mike constructed a closed box that measures 2.5 feet long by 3 feet wide by 1.5 feet high. what is the total area of the material mike needs to construct the box??