Answer:
See Step by step explanation
Step-by-step explanation:

You gave us the speed and the frequency, and you need the wavelength.
You were also nice enough to remind us that (fqy)x(lng) = speed.
So . . . F x W = 343 m/s
Divide each side by F :
W = (343 m/s) / F
W = (343 m/s) / (240 / s)
W = (343/240) m
<em>W = 1.429 meters</em>
Answer:
67.5 miles
Step-by-step explanation:
If 1 cm represents 15 miles, then 4.5 cm represents 4.5 * 15 miles.
4.5 * 15 miles = 67.5 miles
Answer: 67.5 miles