Assume that the tiles can be cut remember that teh formula for a trapezoid is (base1+base2) times (1/2 height) height=24 base1=48 base2=60 subsitute (48+60) times (1/2 24) 108 times 12=1296 now wee find out how many tiles 16 is 1 tile find how many 16's in 1296 1296/16=81 ans: 81 tiles