Question

In curtea unei scoli cresc 50 de copaci:pini si stejari.Pini sint cu 24 mai putini decit stejari.Citi pini cresc in curtea scolii? Rezolvare cu justificari

Answer 1

p+s=50
p=s-24
s-24+s=50
2s=50+24
2s=74
s=74:2
s=37
p=37-24
p=13

Answer 2

P+s=50 P=s-24. P=37-24=13 S+S-24=50 2s-24=50 2s=50+24 2s=74 S=74:2 S=37