Answer:
1 problem every 5 minutes
Step-by-step explanation:
the way you write the unit type depends on which values are on which axis.
I divided 15 by 3 and got 5
and when dividing the time by problems solved you always get 5 for the values in the table
hope this helps chu <3
Answer:Obtain a systematic sample by selecting every 20th vehicle that passes (in any lane and going in any direction).
Step-by-step explanation: