Luke started a weight-loss program. the first week, he lost x pounds. the second week, he lost 3/2 pounds less than 3/2 times the pounds he lost the first week. the third week he lost 1 pound more than 3/4 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 3/2 times the pounds luke lost the first week the second week, he lost 4 pounds less than 5/2 times the pounds luke lost the first week. the third week, he lost 1/2 pound more than 4 times the pounds luke lost the first week assuming they both lost the same number of pounds over the three weeks, complete the following sentences 2 pounds 4 pounds - 6 pounds 41 - - -the expression for luke's weight loss over the three weeks is __ -the expression for liam's weight loss over the three weeks -the number of pounds luke lost in the first week -the number of pounds luke and liam each lost over the three weeks