What is the average speed for a 300 miles trip?
(1) The average speed for the first 150 miles is 60 miles per hour.
(2) The average speed for the last 200 miles is 75 miles perhour.
Answer:
Given: Distance=300miles
What is thespeed?
Solutions :
Since
1) Speed = Distance / time
2) Distance = 300 miles
Therefore, we can find the speed if we have thetime
Statement1:
Given: For the first 150 miles, the speed=60 mi/hr --> time=distance/speed=150/60 --> notsufficient
Statement
...
(1) The average speed for the first 150 miles is 60 miles per hour.
(2) The average speed for the last 200 miles is 75 miles perhour.
Answer:
Given: Distance=300miles
What is thespeed?
Solutions :
Since
1) Speed = Distance / time
2) Distance = 300 miles
Therefore, we can find the speed if we have thetime
Statement1:
Given: For the first 150 miles, the speed=60 mi/hr --> time=distance/speed=150/60 --> notsufficient
Statement
...









