Dion thinks he is walking faster than Tiffany because after 10 seconds, he is farther from the starting line than Tiffany. Is Dion correct?
Tiffany and Dion are having a walking race. The equation and graph show the distance
each person is from the starting line.
Tiffany's Distance
d=2.5t, where d' is the distance, in yards, that Tiffany is from the starting line after t
seconds
Dion's Distance
Choose one option from each drop-down menu to answer the question.
Dion Choose... correct that he is farther from the starting line. He Choose... correct
that he is walking faster
90
80
70
60
Tiffany's walking rate is 2.5 yards per second. Dion's walking rate is Choose-yards
per second. Dion is walking at Choose...
Tiffany
50
Distance from Start (yd)
40
30
20
10
0
5
25
30
10 15 20
Time (s)