Richard and gloria ran a 10 kilometer race. gloria gave richard a head start by letting him begin 2.2 kilometers in front of the
start line. the distances of richard and gloria past the start line as the race progressed can be represented by linear functions
and are shown in the table of values and graph below. whose time was faster, and by how much?
richard's distance past the start line
5
10
2.8
3.4
4.0
15
time (minutes)
distance (kilometers)
25
t20
4.6
5.2