Question

Which sentence is correct? when i turn twenty one, i will climb mount fuji. when i turn twenty-one, i will climb mount fuji. when i turn twentyone, i will climb mount fuji?

Answer 1

b. When I turn twenty-one, I will climb Mount Fuji.

Step-by-step explanation:

You need to hyphenate words describing compound numbers between 21 and 99. A compound number is any number that consists of two words. Hope this helps.

Answer 2

It is the second one ‘When I turn twenty-one, I will climb Mount Fuji.