Ryan and Tomas walked to school and then to the park, as described below. Ryan walked 2.3 miles from his home to meet Tomas at school.
Tomas walked 2.7 miles from his home to meet Ryan at school.
Once they were at school, the boys walked x miles to the park and then
x miles back to the school.
Ryan's
home
2.3 mi
school
x mi →
Tomas's
home
park
ex mi
2.7 mi
The sum of the distance Ryan walked and the distance Tomas walked was at
least 15 miles but not more than 21 miles. One of the following is the graph of
the possible values of x. Which one?