Respuesta :

12/7 or 1 5/7 is how many bags of flour she will need.
efawan
2/7 for 1/2 batch
(2/7)x2 for 1 batch
.
So, for 1 batch;
(2/7)x2=4/7
.
So, for 3 batches;
(4/7)x3=12/7
RELAXING NOICE
Relax