(340 754 - к)=23 800 m x 80 - 32 965=31 835 70 х (n: 200)=16 450

(340 754 - k) : 6 = 23 800
340 754 - k = 23 800 * 6
k = 340 754 - 142800
k = 197954

m х 80 - 32 965 = 31 835
m * 80 = 31 835 + 32 965
m = 64800/80
m = 810    

70 х (n : 200) = 16 450
n : 200 = 16 450 : 70
n = 235 * 200
n = 47000