I have a 69.18345 as my overall grade and I'm about to take a test that's worth 7.5%. I want to get a overall grade of 69.5% or 70% what grade would I need to make on the test to get that grade or is it impossible? ​

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.