Respuesta :
There are 4 roses for every 7 carnation in a flower bouquet .
This can be written in a ratio as = 4 : 7
Then , the number of carnations that will be in a bouquet of 12 roses :-
Let c be the number of carnations in this bouquet .
Then :-
[tex] \frac{4}{7} = \frac{12}{c} [/tex]
[tex]4 \times c = 12 \times 7[/tex]
[tex]4c = 84[/tex]
[tex]c = \frac{84}{4} [/tex]
[tex]c = 21[/tex]
[tex] = 21 \: carnations[/tex]
Therefore , 21 carnations will be there in a bouquet of 12 roses .