Answer:
B. 0.025
Step-by-step explanation:
Answer:
6 mph
Step-by-step explanation:
Use formula

where
D = distance
r = rate
t = time
In your case,
D = 12 mi
<u>Dina:</u>
D = 12 mi
r = 8 mph
t = ?
So,

<u>Masha:</u>
D = 12 - 3 = 8 mi
r = ?
t = 1.5 hours
Then

9/10
3/5 *2/2 +6/10
9/10-6/10=3/10 or .3