A car traveled 75% of way from town A to town B at an average speed of 50 mph. The car traveled at the average speed of S mph for remaining part of the trip. The average speed for the entire trip was 40 mph. What is S in mph?

A car traveled 75% of way from town A to town B at an average speed of

1.	A car traveled 75% of way from town A to town B at an average speed of 50 mph. The car traveled at the average speed of S mph for remaining part of the trip. The average speed for the entire trip was 40 mph. What is S in mph?
A.	10
B.	20
C.	25
D.	30
Answer» D. 30

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A car traveled 75% of way from town A to town B at an average speed of 50 mph. The car traveled at the average speed of S mph for remaining part of the trip. The average speed for the entire trip was 40 mph. What is S in mph?

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