Краткое пояснение: Используем how much с неисчисляемыми существительными, а how many с исчисляемыми.
- How much salt do you usually add to your soup?
- How many oranges can you buy with 10 dollars?
- How much honey is left in the jar?
- How many slices of bread do you need for your sandwich?
Ответ: How much, How many, How much, How many