Answer:
The answer is C, Translate the circles so they share a common center point, and dilate circle Y by a scale factor of 3.
Step-by-step explanation:
Answer:
The possible numbers could be : 4521, 4125, and 2415
The average speed would be 600 km/hr.
Step-by-step explanation:
Let the original speed be 'x'
Let the decreased speed be 'x-200'
Distance = 600 km
Time increased by 30 minutes
According to question, it becomes,

So, The average speed would be 600 km/hr.