Respuesta :
x is the 4%
y is the 5%
x+y=7600
y=7600-x
0.05y=338-0.04x
5y=33800-4x
y=7600-x
Solve with substitution
5(7600-x)=33800-4x
38000-5x=33800-4x
4200=x
y is the 5%
x+y=7600
y=7600-x
0.05y=338-0.04x
5y=33800-4x
y=7600-x
Solve with substitution
5(7600-x)=33800-4x
38000-5x=33800-4x
4200=x