A1
the number 15
Dictionary examples:
Fifteen cats sleep on my bed. Help! (0.0)
Fifteen elephants in my room? Oh no! (0.0)
I ate fifteen cookies. My tummy hurts! (0.0)
thirteen, fourteen, fifteen, sixteen (4.6)
"How many books were returned?" "Fifteen." (11.8)
She's invited fifteen children to her party. (22.4)