Question

intr-o turma sunt 70 de oi,de 7 ori mai putine capre,iar miei, asasea parte din 36. cate animale compun turma?

Answer 1

a-nr de oi
b-nr de capre
c-nr de miei
a=70
b=70:7
c=36:6
-----------------------
a+b+c=?
---------------------------

70+(70:7)+(36:6)=70+10+6=86

Answer 2

[tex]o-nr.~oilor \\ c-nr.~caprelor \\ m-nr.mieilor \\ \underline{o=70} \\ c=70:7 \Rightarrow~\underline{c=10} \\ m= \frac{1}{6}\cdot 36 \Rightarrow ~\underline{m=6} \\ o+c+m=70+10+6=86. \\ Sunt ~\boxed{86~animale}~ce~compun~turma.[/tex]