Megan's map scale shows 1 in. to 20 mi. When Megan measured the distance between two cites on the map, she found it was 8.5 in. How many kilometers are there between the two cites in real life? Please help:( I need this ASP

Define multiplicative inverse. give an example of a number and its multiplicative inverse.

Michael is training for a marathon. in his first week he plans to run 8miles. what path should he take

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.