Q: a family's vacation destination is 850 miles from their home. they travel by car 6 hours on the first day of their trip. their average speed is 45 mph. the next day they travel 7 hours, averaging the same speed. how many miles are left for the family to travel?

Amountain climber starts a climb at an elevation of 453 feet above sea level at his first rest stop he has climbed 162 feet and by his second rest stop he has climbed another 207 feet its getting late in the day so the climber starts his way down if the climber desends 285 feet how much does he need to ascend or descend to return to the original starting point