A radio can tune into any station in the `7.5 MHz` to `12 MHz` band. What is the corresponding wavelength of band?

A radio can tune into any station in the 7.5 MHz to 12 MHz band. What is the corresponding wavelength band?

In electro magnetic spectra, the wave length and frequencies are inversely related. A radio can tune in to any station in the 7.5 MHz to 12 MHz band. Determine the corresponding wave length band.