Overall, progress has been made in collision prevention over the last decade with a:
a) 25% decrease in the number of those killed in motor vehicle crashes.
b) 13% decrease in those injured.
c) 25% decrease in the number of those killed in motor vehicle crashes and a 13% decrease in those injured.
d) 38% decrease in the number of those killed in motor vehicle crashes and a 13% decrease in those injured.