If 0.25 of a number is equal to 0.05 of another number, the ratio of the numbers is :  Choose one.
A) 2 : 5  B) 3 : 4  C) 1 : 5  D) 20 : 5  E) 30:7
0.25A = 0.05B   -&gt; A/B = 0.05/0.25 = 5/25 = 1/5   :. A : B = 1 : 5   ANSWER:1 : 5
<result>C</result>
If 0.25 of a number is equal to 0.05 of another number, the ratio of the numbers is :