Dr. Pepper – you seem like a wise man but the correct answer is -8 feet. The total distance traveled can be easily calculated since it is a telescoping sum:
Distance = – 8 + 6.5 – 6.5 + 4.875 – 4.875 + …..
‘. = – 8(+ 6.5 – 6.5)+(4.875 – 4.875)+(…..
= – 8