Answer:
Eli
Explanation:
To find the most chocolately, analyze the unit rate per 1 ounce. The unit rate with more chocolate in ml per 1 ounce will be more chocolately.
To find the unit rate, create a fraction of syrup over hot water.
Arjun -
ml per 1 ounce
Eli -
ml per 1 ounce
Eli's is greater and therefore more chocolately.