CBSE Class 6 Answered
While hiking, Tammy went up 200 feet. If Tammy started at 200 feet below sea level, which integer represents her elevation now?
Asked by Topperlearning User | 17 Apr, 2014, 04:25: PM
Expert Answer
Since Tammy started from below sea level, so the position of Tammy can be taken as negative.
Tammy started from = - 200 feet
Tammy went up = 200 feet
Her current position is given by (- 200) + 200.
To find this, start with 200 and move 2 steps right as the gap between 2 steps is 100.
After moving, we reach at 0, so (- 200) + 200 = 0 feet i.e. at sea level.
Answered by | 17 Apr, 2014, 06:25: PM
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