Step-by-step explanation:
can you clarify more please i cant help you answer this question
Answer:
3 hr(s)
Step-by-step explanation:
20 km/1 hour
60km/20km = 3
Yes, I can! If you have any more questions, please ask!
Ans given below
-3r-12=-21
-3r=-21+12
-3r=-9
r=-9\-3
r=3
