Question a)
Find the altitude of the top of the hill by adding the difference to the altitude of the check point 3:
- 151 + (- 173) =
- 151 - 173 =
- - 21 ft
Question b)
Find the difference between the two altitudes:
- 2237 - (- 69) =
- 2237 + 69 =
- 2306 ft
You got it correct.
