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seraphim [82]
3 years ago
13

Two friends are hiking in Death Valley National Park. Their elevation ranges from 228 ft below sea level at

Mathematics
1 answer:
monitta3 years ago
6 0

Answer:

x - 231 ≤ 459

Step-by-step explanation:

Given:

Elevation ranges below sea level  = 228 ft

Elevation ranges above sea level  = 690 ft

Elevation = x

Computation:

Ideal range = [690-228] / 2 = 231

Tolerance range = [690+228] / 2 = 459

So,

x - 231 ≤ 459

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