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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
answered
Jun 11, 2018
Mathematics
middle-school
1
vote
50.1k
views
How do you do this? Anyone have a way to figure it out?
answered
Jan 15, 2018
Mathematics
high-school
3
votes
217k
views
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