The average delay time D, in seconds, for a car waiting at a certain stop sign is given by

Question

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where q is the number of cars per second passing the stop sign.A:  What is the average delay time if there are 0.13 cars per second passing the sign? Round your answer to two decimal places if necessary.B: The service rate S, for a stop sign is the number of cars per second that can leave the stop sign. It is related to the delay time by
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Find a formula for S in terms of q.C: What flow rate will permit a service rate of 0.85 cars per second? Round your answer to two decimal places if necessary.
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What will be an ideal response?

Answer 1