Charlie and Kyle are training for a track meet. Charlie's practice times for an event are represented on the graph, where y = the total miles run and x = the number of hours. Kyle's practice times for the same event are represented by the linear function y = 7.5x. Which statement BEST describes the rates of the runners?
Responses
A Kyle's rate is 1.5 miles per hour greater than Charlie's rate.Kyle's rate is 1.5 miles per hour greater than Charlie's rate.
B Charlie's rate is 1 mile per hour greater than Kyle's rate.Charlie's rate is 1 mile per hour greater than Kyle's rate.
C Kyle's rate is 12
mile per hour greater than Charlie's.Kyle's rate is 1 2 mile per hour greater than Charlie's.
D The rate of each runner is the same.