The frequency densities of the four classes in a histogram are in the ratio 4:3 classes are in the ratio 10: 15:24:8 Find the total width of the bistoeram, given that the narrowes dass nter al isrepresenled by a columin o width 3cm.

Luke started a weight-loss program. the first week, he lost x pounds. the second week, he lost pounds less than times the pounds he lost the first week. the third week, he lost 1 pound more than of the pounds he lost the first week. liam started a weight-loss program when luke did. the first week, he lost 1 pound less than times the pounds luke lost the first week. the second week, he lost 4 pounds less than times the pounds luke lost the first week. the third week, he lost pound more than times the pounds luke lost the first week.