Respuesta :

Answer:

5.25

Step-by-step explanation:

She uses 3/4 for one cake, so the ration is 3/4 : 1

If she wants to make 7, you just time 3/4 by 7.

Doing that, we get 21/4 and that equals 5.25.

Ruth needs 5.25 bags of flours to make 7 cakes.

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