Question

In doua hambare se afla in total 157,47 tone de porumb. Daca din primul hambar am lua 20,24 tone si le-am adauga in al doilea hambar s-ar primi cantitati egale. Ce cantitate de porumb se afla in fiecare depozit..?

Answer 1

x-primul hambar
y-al doilea hambar
x+y=157,47
x-20,24=y+20,24

x-y=40,48
x+y=157,47
adunand cele doua ecuatii
2x=197,95
x=98,975 t

y=x-40,48
y=98,975-40,48=48,495 t