Mathematics, 30.09.2019 12:30 sethlynn2003
The maximum grade allowed between two stations in a rapid-transit rail system is 3.5%. between station a and station b, which are 310 ft apart, the tracks rise 9 1/2 ft. what is the grade of the tracks between these two stations? round to the nearest tenth of a percent. does this grade meet the rapid-transit rail standards?
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