perbandingan b/b+c=6:10, maka perbandingan b:c adalah

Perbandingan

b/(b + c) = 6/10
c = 4
b : c = 6 : 4 = 3 : 2

Dengan cara
b/(b + c) = 6/10 = 3/5
Kalikan silang
5b = 3(b + c)
5b - 3b = 3c
2b = 3c
b/c = 3/2
b : c = 3 : 2