[tex]15*1kg-azuacar=3soles\\20*1kg-azucar=2,5soles[/tex]
[tex]45soles =15kg\\50soles=20kg\\[/tex]
Sumamos dichas equivalencias:
[tex]45soles+50soles=95soles\\15kg+20kg=35kg\\[/tex]
Dividimos ambas cifras:
[tex]\frac{95soles}{35kg}=2,71soles[/tex]=precio medio
[tex]3soles+2,5soles=5,5soles\\5,5soles/2=2,75soles[/tex]
2,75 soles (precio medio)
Suerte
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Operaciones combinadas
[tex]15*1kg-azuacar=3soles\\20*1kg-azucar=2,5soles[/tex]
[tex]45soles =15kg\\50soles=20kg\\[/tex]
Sumamos dichas equivalencias:
[tex]45soles+50soles=95soles\\15kg+20kg=35kg\\[/tex]
Dividimos ambas cifras:
[tex]\frac{95soles}{35kg}=2,71soles[/tex]=precio medio
[tex]3soles+2,5soles=5,5soles\\5,5soles/2=2,75soles[/tex]
2,75 soles (precio medio)
Suerte