Answer:
51%
Step-by-step explanation:
All of the percentages must add up to 100%, so we can add up how many percent of the people are already accounted for, and subtract that from 100%.
Doing that we get 14%+35%=49% and 100%-49%=51%
Add 14% and 35% you get 49%
Take that away from 100%
v is the wave speed in metres per second, m/s. f is the frequency in hertz, Hz. λ (lambda) is the wavelength in metres