Final answer:
Brianna has walked a total of 1.152 miles. She needs to walk an additional 1.848 miles to reach her goal of walking 3 miles this morning.
Step-by-step explanation:
To determine how many more miles Brianna needs to walk to reach her goal of walking 3 miles, we should first add up the distances she has already walked.
So far, Brianna has walked 0.52 miles to the park and an additional 0.632 miles to the calf. The total distance Brianna has walked is:
- 0.52 miles + 0.632 miles = 1.152 miles
Now, we subtract the total distance she has walked from her goal:
- 3 miles - 1.152 miles = 1.848 miles
Brianna needs to walk an additional 1.848 miles this morning to reach her goal of 3 miles.