SOLUTION: car A is going 70 mph; car B passes car A, and in 4 seconds is 500 yards ahead. How fast is car B going?

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Question 894204: car A is going 70 mph; car B passes car A, and in 4 seconds is 500 yards ahead. How fast is car B going?
Answer by Alan3354(69443) About Me  (Show Source):
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car A is going 70 mph; car B passes car A, and in 4 seconds is 500 yards ahead. How fast is car B going?
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Car B's speed is 70 mi/hr + 125 yd/sec