Question

francesca started biking from her house to work, covering 1.5 miles, before realizing she had forgotten her phone. she then turned around and biked 1.5 miles in the opposite direction to return home.
assume the direction francesca started biking is the positive direction.
what distance did francesca bike?
\boxed{} miles
what was francescas displacement?
\boxed{} miles

Explanation:

Step1: Calculate total distance

Add the two segments of the bike ride:
$1.5 + 1.5 = 3.0$

Step2: Calculate displacement

Displacement is net position change. She starts and ends at home:
$1.5 + (-1.5) = 0$

Answer:

What distance did Francesca bike? 3.0 miles
What was Francesca's displacement? 0 miles