Answer :
12oz=[tex] \frac{8}{20} [/tex] or [tex] \frac{2}{5} [/tex] of what she needs.
we can now multiply
12oz *[tex] \frac{5}{2} [/tex]= 30 oz
but we need to know pounds and a pound is 16 oz so 2 pounds should be enough
we can now multiply
12oz *[tex] \frac{5}{2} [/tex]= 30 oz
but we need to know pounds and a pound is 16 oz so 2 pounds should be enough