Help please! In part 3 of this field study, a piece of land was used to obtain data of how much area was of the land was covered by vegetation, housing, and roads/driveways. please calculate the percent land usage by calculating the areas in column A and B. use columns A & B to calculate final column for percent land usage.​

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.