Kenneth S. answered 11/15/16
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Expert Help in Algebra/Trig/(Pre)calculus to Guarantee Success in 2018
I'm going to let x = distance walked on first day (I have an aversion to using e as this symbol). Anyway, the presence of e in the statement of the problem was probably meant to be "same."
13 = x + x + (½)x+ (½)x + (½)x represents the facts given, for the five days listed, in order.
SOLVE for x, then state how far she walked on each of the five distinct days (represented by the terms on right side of above equation).