Suzi starts her hike at 240 feet below sea level. When she reaches the end of the hike, she is still below sea level at - 143 feet. What was the change in elevation from the beginning of Suzi's hike to the end of the
hike?

383ft

Step-by-step explanation:

Given parameters:

  Elevation = 240ft at the start

  Elevation at the end = -143ft

Unknown:

Change in elevation:

Solution:

The change in elevation is the difference between the two hiking milestone;

  change in elevation = Elevation at the start  - Elevation at the end

                                    = 240ft  - (-)143ft

                                   = 240 + 143

                                    = 383ft

i think the length is 12 and the width is 17