Ishwar S. answered 12/06/18
Tutor
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(7)
University Professor - General and Organic Chemistry
A = B - 200
A + B = 1510
Substitute Eq 1 into 2, you get
B - 200 + B = 1510
2B = 1710
B = 1710 / 2 = 855 ft
A = B - 200 = 855 - 200 = 655 ft