Răspuns :
p+i=32
1/3*p=1/5*i
p/3=i/5
p=3i/5
3i/5+i=32
Amplifici cu 5 ca sa dispara numitorul.
3i+5i=160
8i=160
i=160/8=20
p+20=32
p=12
1/3*p=1/5*i
p/3=i/5
p=3i/5
3i/5+i=32
Amplifici cu 5 ca sa dispara numitorul.
3i+5i=160
8i=160
i=160/8=20
p+20=32
p=12