The area of a rectangle 320in^2. The ratio of the length to the width is 5:4. Find the length and the width

Find all the values of x that make 0.1x + 0.25(102 - x) < 17.10 true.

Iwant to know what 3g+5h+4g-2h is my teacher is too selfish to tell us

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.