Sixty of course !
there is 91 fives in 455
Four fives
6 fives
Is this a trick question? I make it 200, rather than the aforementioned 5.
4 fives, which would leave you with 0.4 fives, which would leave you with 0.4 fives, which would leave you with 0.4 fives, which would leave you with 0.4 fives, which would leave you with 0.4 fives, which would leave you with 0.
Sixty
5,000,000,000
192.
8
123.45x66
40