If 0.4 of a number is equal to 0.06 of another number, the ratio of the numbers is :
Choose one.
A) 2 :3  B) 3 :4  C) 3:20  D) 20:3  E) 22:1
Expl : 0.4A = 0.06B -&gt; A/B = 0.06/0.40 = 6/40 = 3/20   :. A : B = 3 : 20   Answer: 3:20
<result>C</result>
If 0.4 of a number is equal to 0.06 of another number, the ratio of the numbers is :