4
Samantha drove her car for 13 miles at a certain speed (s) to get to her first destination. On her second leg, she drove for 12 miles going at a speed 10 miles
per hour faster to get to her destination. If Samantha drives for a total of 3 hours, which equation below models the combined time Samantha spent driving?
(A
B
13 12
= 3
8 + 10 8
s 8 + 10
+
= 3
13
12
13 12
3
8
8 + 10
13 12
+
3
s
8 + 10
D