Question

A commercial jet liner hits an air pocket and drops 294 feet. After climbing 157 ​feet, it drops another 180 feet. What is its overall vertical​ change?

The​ jet's overall vertical change is ____ feet.

Answer 1

-317 feet

Explanation:

Initial point = zero

1. Drop 294 feet

• 0 - 294 = -294 feet

2. Climbing

• -294 + 157 = -137 feet

3. Drop

• -137 - 180 = - 317 feet

Overall: -317 feet