We use how much and how many questions to ask about the quantity of things or people. We use them with noun. (how much / how many + noun)
"How many" question word is used with countable nouns and the verb is plural.
"How much" question word is used with uncountable nouns and the verb is singular.
Example Sentences:
How many students are there in the classroom?
How many people are coming to the party?
How many books did you read last month?
How much money do you want?
How much sugar do we need?
How much time is there left?
How much time did it take to finish project?
How many young people die in car crashes?
How many man-made satellites are there now revolving around the Earth, do you know?
How much damage an earthquake can do?
How much flour is required?
How many people were killed in the accident?