英语翻译A recipe that makes 5 servings of hot chocolate requires

英语翻译A recipe that makes 5 servings of hot chocolate requires 2 squares of chocolate,1/4 cup sugar ,1 cup water and 4 cups milk ,Jordan has 5 squares of chocolate,2cups of sugar,lots of water and 7 cups of milk.If she maintains the same ratio of ingredients,what is the greatest number of servings of hot chocolate she can make?