jamesolubire jamesolubire

22-05-2023
Mathematics

contestada

A traffic engineer needs to find out how much a local freeway is used. The freeway has 3 regular lanes and 1 carpool lane. One day, each regular lane averaged 304 cars an hour, and the carpool lane averaged 191 cars an hour. The engineer estimated that, in all, the lanes served about 500 cars an hour. Is that a good estimate?

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