Julie made rows of counters with a box of 100 counters. each row she made had one more counter than the row before it. the first row had 1 counter and the last row had 6. (a) how many counters did julie use? (b) how many were left in the box?

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.