A hungry Emperor penguin was swimming 21 feet below sea level. It swam up 9 feet to eat a fish. What | MathCelebrity Forum

A hungry Emperor penguin was swimming 21 feet below sea level. It swam up 9 feet to eat a fish. What

math_celebrity

Administrator
Staff member
A hungry Emperor penguin was swimming 21 feet below sea level. It swam up 9 feet to eat a fish. What is the position of the penguin now relative to sea level?

21 feet below is written as -21
9 feet up is written as +9
So we have -21 + 9 = -12 or 12 feet below sea level
 
Back
Top