Mr. Lynch has 3 bags of footballs. There are 20 footballs in each bag. He wants to put an equal number of footballs into 4 bags. Which expression would show how many footballs will go in each bag? HURRYY PLS

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