The Letter A Count

Riddle: How high would you have to count before you would use the letter A in the English language spelling of a whole number?

Answer: One thousand.

Source: https://www.riddles.com/31

Riddle: How high would you have to count before you would use the letter A in the English language spelling of a whole number? Answer: One thousand. — by Anonymous v1.

Riddle: How high would you have to count before you would use the letter A in the English language spelling of a whole number? Answer: One thousand. — by Anonymous v2.