Question

A fire truck drives 3 miles to the east, then 1.2 miles to the west. What is the
displacement of the fire truck?
A. 4.2 miles east
B. 4.2 miles west
C. 4.2 miles
D. 1.8 miles east

Answer 1

Answer:

the answer is D. you have to go 3 miles to the east and then subtract the distance that the fire truck traveled to the the west.

Answer 2

Answer: D. 1.8 miles east

Explanation:

(Each "→" or "←" = .2 miles)

3 miles east:                →→→→→ →→→→→ →→→→→

minus 1.2 miles west:                       ← ←←←←←

3 - 1.2 = 1.8 miles east: →→→→→ →→→→