Solve. See Example 4Pairs of markings a set distance apart
Chapter 6, Problem 21(choose chapter or problem)
Solve. See Example 4Pairs of markings a set distance apart are made on highwaysso that police can detect drivers exceeding the speed limit.Over a fixed distance, the speed R varies inversely with thetime T. In one particular pair of markings, R is 45 mph whenT is 6 seconds. Find the speed of a car that travels the givendistance in 5 seconds.
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