At a specialty nut store, almonds cost $4.30 per pound and walnuts are priced at $3.75 per pound. How many pounds of walnuts are in a 12-pound mixture priced at $47.75?
a)4
b)5
c)6
d)7

Question

At a specialty nut store, almonds cost $4.30 per pound and walnuts are priced at $3.75 per pound. How many pounds of walnuts are in a 12-pound mixture priced at $47.75? 
a)4
b)5
c)6
d)7

anonymous · Answer

Ok, so you have an unknown amount of almonds, say X, and an unknown amount of walnuts, say Y, that when added together are 12 pounds.

You also know that the amount of almonds, X, @ 4.30/lb added to the amount of walnuts @ 3.75/lb equals 47.75.

What are those equations?

anonymous · Answer

okay thanks for the help