College Physics (4th Edition)

The speed of sound at that temperature is $365~m/s$
We can find the speed of sound at that temperature: $v = (331+0.60~T)~m/s$ $v = [331+(0.60)~(56.7^{\circ}C)]~m/s$ $v = 365~m/s$ The speed of sound at that temperature is $365~m/s$