Answer:
i think the answer b its pretty close
Step-by-step explanation:
17,000 is the answer
Ella bought 9 key chains
54.3m
h = distance above sea level
d = distance he can sea above sea level
d = 3.57h
h = 15.21m
d = ?
d = 3.57 × 15.21
d = 54.2997m approximately 54.3m
The person can see up to a distance of 54.3m
