Question

c( o que representam essas fraçoes?​

Answer 1

Resposta:

Explicação passo a passo:

Answer 2

Resposta:

$a)\ Beatriz\\\\b)\ Joana.\ Com\ 9\ quibes\ a\ mais\ que\ Beatriz\ e\ 7,5\ quibes\ a\ mais\ que\ Alice$

Explicação passo a passo:

$1-\\\\Beatriz=\frac{3}{5}\ kg=0,6\ kg\\\\Joana=\frac{3}{2}\ kg=1,5\ kg\\\\Alice=\frac{3}{4}\ kg=0,75\ kg\\\\\\a)\ Beatriz\ comprou\ menos\ carne\\\\b)\ Joana\ fara\ mais\ quibes\\\\Regra\ de\ tres\ simples:\\\\1\ kg-->10\ quibes\\1,5\ kg-->x\\\\x=15\ quibes=Joana\\-----------\\\\1\ kg-->10\ quibes\\0,6\ kg-->x\\\\x=6\ quibes=Beatriz\\-----------$

$1\ kg-->10\ quibes\\0,75\ kg-->x\\\\x=7,5\ quibes=Alice\\-----------\\\\\\Joana\ fara\ 9\ quibes\ a\ mais\ que\ Beatriz\ e\ 7,5\ quibes\ a\ mais\ que\ Alice.$