You use a juice mix to make orange juice. You combine 12 ounces of the mix with 36 ounces of water. What is a unit rate that describes your juice?
12 ounces of water per ounce of juice mix
3 ounces of water per ounce of juice mix
1/3 ounce of water per ounce of juice mix
36 ounces of water per ounce of juice mix