Răspuns :
Răspuns:
b=1/7·35=>b=35:7=>b=5
c=1/5·5=>c=5:5=>c=1
a+b+c=35+5+1
a+b+c=41
[tex]a=35\\b=\frac{1}{7}*a\\c=\frac{1}{5}*b\\a+b+c=?[/tex]
__________________
[tex]b=\frac{1}{7} *a=\\b= \frac{1}{7}*35=\\b=\frac{35}{7}\\b=5[/tex]
[tex]c=\frac{1}{5}*b=\\c=\frac{1}{5}*5=\\c=\frac{5}{5}=\\c=1[/tex]
Deci:
a+b+c=
35+5+1=41