Roderick works as an architectural draftsman for an engineering firm. his monthly salary is $3,204.17. after taxes and other deductions, he takes home $2,317.56. his wife works as an electronics technician and earns $25.07 per hour. she works 37.5 hours each week and is paid every other week.

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.