Question 903223
m+p=359,
23*m+5*p=5215
m=359-p
23*(359-p)+5*p=5215
8257-23p+5*p=5215
-18*p=-3042
p=169
m=359-p
m=190 at $23 and  p=169 at $5
check
190+169=359
23*m+5*p=5215
23*190+5*169=5215
4370+845=5215
5215=5215
ok


ok