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From 300 feet below sea level, Joshua took off in his helicopter and ascended 900 feet. Which integer represents Joshua's elevation now?

Asked by Topperlearning User 4th June 2014, 1:23 PM
Answered by Expert
Answer:
Old position = -300 feet below sea level

Ascend in position = 900 feet

Change in position is given by -300 + 900.

To find this, start with -300 and move 9 steps to the right as the gap between steps is 100.



After moving, we reach at 600, so -300 + 900 = 600 feet

Joshua is 600 feet above sea level.
Answered by Expert 4th June 2014, 3:23 PM
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