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"Many" is an adjective which is often translated as "muchos", and "how much" is a phrase which is often translated as "cuánto". Learn more about the difference between "many" and "how much" below.
many()
An adjective is a word that describes a noun (e.g., the big dog).
1. (numerous)
A pronoun is a word that stands in for a noun (e.g., she).
2. (numerous)
how much()
A phrase is a group of words commonly used together (e.g., once upon a time).