8.8889
200000000 / 22.5000000000 = 8,888,888.88889
1.5556
3.1111
0.3778
8.8889
0.0756
percentage = 0.7758% = 22500000/2900000000 * 100% = 225/290 * 1% = 0.7758%
225 divided your 25 = 9
Close - but closer to 200 million years ago.
28.125
90
18.75
3 divided into 225 = 0.013333333333333334