Of the 405 students who took the test, 162 of them passed. Write a ratio in
simplest form for the number of
students who passed the test to the
number of students who took the test.

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