A recipe calls for 4 carrots for every 2 cups of water. Which expression can be used to find the number of carrots needed for 1 cup of water? StartFraction 4 carrots Over 2 cups of water EndFraction StartFraction 4 cups of water Over 2 carrots EndFraction StartFraction 2 carrots Over 4 cups of water EndFraction StartFraction 2 cups of water Over 4 carrots EndFraction