a hungry emperor penguin was swimming 21 feet below sea level. it swam up 9 feet to eat a fish. what is the…
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? feet
Answer
Explanation:
Step1: Define initial position
The initial position is - 21 feet (below sea - level is negative).
Step2: Add upward movement
The penguin swam up 9 feet, so we add 9 to the initial position. The calculation is -21 + 9.
Step3: Calculate result
-21+9=-12
Answer:
- 12