Răspuns :
Răspuns:
- nu putem avea 20 apartamente cu 2 camere
- 18 apartamente cu 2 camere
- 18 apartamente cu 3 camere
Răspuns:
[tex]a+b=36= > 20+b=36= > b=36-20= > b=16-ap.cu3.camere\\\\20*2+16*3=40+48=88-camere\\\\Da -pot.fi.20ap.cu2.camere\\ \\\\a+b=36= > a=36-b\\\\2a+3b=90\\\\2(36-b)+3b=90\\\\72-2b+3b=90\\\\b=90-72= > b=18-ap.cu3.camere\\\\36-18=18-ap.cu2.camere[/tex]