18pts note: enter your answer and show all the steps that you use to solve this problem in the space provided. anita can clean a typical pool in 8 hours. chao can clean a typical pool in 6 hours. how long should it take anita and chao working together to clean a typical pool? show all your work. leave your final answer as an integer or reduced fraction.

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.