On the map, line ab represents a trail that you are hiking. you start from the beginning of the trail and hike for 90 minutes at a rate of 1.4 mph. how much farther do you need to hike to reach the end of the trail.

Pyotr tchaikovsky sporting goods operates on a 45% overhead based on the selling price, which results in an overhead of $65.34 on the newest version of an air hockey game set. if the air hockey game set costs pyotr tchaikovsky sports $49.32, find the selling price, the markup, and the net profit.