4/9
4. 1 x 4 equals 4 - - 9 x 4 equals 36
1/9 x 36/1 = 4
28"21" but to be extra smart the answer is "The seventh triangular number is twenty one."
2/18, 3/27, 4/36 and so on.
no - the ninth
1/9 of 36 is 4.
Four of course !
1 third = 3 ninths, 3 ninths - 2 ninths = 1 ninth.
36 / 9 = 4
yes
4/9
4/36 + 15/36 = 19/36
It's between the Seventh and the Ninth of an inch.
1.7 -1.9 ____ 0.-2
Yes, he was. Gatsby was in the seventh infantry.
one-seventh one-eighth one-ninth etc.