Based on the information given, it should be noted that the distance travelled when there is a collision will be 6.25 miles.
From the information given, the cars face each other on a single 30-mile track, and
each is moving at 60 mph.
Therefore, the time taken will be:
= 30/120 = 1/4 hour
At 25mph, the distance travelled will be:
= 1/4 × 25
= 6.25 miles.
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