Rachel has 2 pounds of sour cream if she uses 14 ounces to make coffee cake how may does have left?

1. Convert pounds to ounces:

* There are 16 ounces in 1 pound.

* Rachel has 2 pounds * 16 ounces/pound = 32 ounces of sour cream.

2. Subtract the amount used:

* Rachel used 14 ounces.

* She has 32 ounces - 14 ounces = 18 ounces left.

Answer: Rachel has 18 ounces of sour cream left.