麻烦大家帮忙解答一下这道题，多谢。

theresalwaysme

If s and t are positive integers such that s/t=64.12, which of the following could be the remainder when s is divided by t?A.2
B.4
C.8
D.20
E.45

mop000

E

S = 64t + 0.12*t =64t + 3*t/25

So the remainder must have a factor of 3.

theresalwaysme

懂了，多谢！