Interstate 90 is the longest highway in the united states, connecting the cities of seattle, washington and boston, massachusetts. the interstate is 4,987,000 meters in length. if 1 mile=1.609 kilometers, how many miles long is interstate 90?

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.