I think the answer is choice D, but don't trust me I didn't do the math.
The student would get an 80%.
Since 5 is 20% of 25, subtract 20 from 100 and you get 80%
Let x represent the number of ounces of vinegar
Let y represent the number of ounces of lemon juice
Oil required = 8 oz
Container can hold = 16 oz
So the inequality equation will be :
