Question

Zeno jumped 8 meters. Then he jumped half as far again (4 meters). Then he jumped half as far again (2 meters). So after 3 jumps, he was 8 + 4 + 2 = 14 meters from his starting place.
a. Zeno kept jumping half as far again. How far would he be after 4 jumps?

Answer 1

9514 1404 393

Answer:

  15 meters

Step-by-step explanation:

Zeno's last jump was 2 meters, so another jump half as far adds 1 meter to the 14 m total.

After 4 jumps, Zeno would have jumped 15 meters from his starting place.

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Comment on the question

The given distances give a total "after 3 jumps." The question asks for a total "after 4 jumps." It is not clear whether that is 4 jumps total, or 4 more jumps. In the above, we have assumed it is 4 jumps total.

Answer 2

14/2 = 7

7/2 = 3.5

3.5/2 = 1.75

1.75/2 = 0.875