Question 482801
6k per hour x 1/4 hour=1.5 k's
5-1.5=3.5
9n+6n=3.5
15n=3.5
n=.2333 hours
Lucia walked 1.5+.233333(6)=2.9 k's
Kiley walked .2333333(9)=2.1 k's
Lucia walked further..