3. Bryan hiked up to the top of City Creek in 3 hours and then returned along the route down the and canyon to the trailhead in 2 hours. His speed downhill was 1 mph faster than his speed uphill. How fas did Bryan hike uphill ?

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.