During the pyramid-building era the ancient Egyptians used two units of length, the palm
and the ell. An ell was 7 palms and a palm
was about 3 inches.
If a hawk is tracked at a diving speed of 3
ells per second, what is its speed in inches per
second?
1. 126 in/s
2. None of these
3. 63 in/s
4. 0.7 in/s
5. 98.6in/s
6. 21 in/s
7. 5.25 in/s
8. 1/3 in/s
9. 7in/s
10. 42 in/s