Bonjour
Much > + nom indénombrable (donc singulier)
Many > + nom dénombrable (donc pluriel)
a- How much does a coup of tea cost?
b- How many questions....?
c- How many books...?
d- How many apples ...?
e- How much chocolate ...? (Singulier)
f- How many chocolates ...? (Pluriel)
g- How much is the rent of the room?
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Bonne journée