eth hiked 3.5 miles each hour, while

David hiked 2.5 miles each hour.

Ordered pairs were graphed of the

total distance each boy hiked. The

x-coordinate represents the total

distance, in miles, Seth hiked, and

the y-coordinate represents the total

distance, in miles, David hiked. Select

all of the ordered pairs that represent

this relationship.

(7, 5) (14, 20)

(10, 14) (0, 0)

(21, 15)