If -LSB- math -RSB- A : B = 3:4 -LSB- / math -RSB- , -LSB- math -RSB- B : C = 8:10 -LSB- / math -RSB- , and -LSB- math -RSB- C :D = 15:17 -LSB- / math -RSB- , then how can I find -LSB- math -RSB- A : B : C :D -LSB- / math -RSB- ?
Is math a language ?