If 0.4 of a number is equal to 0.06 of another number, the ratio of the numbers i
Pick one: A) 2 : 3 B) 3 : 4 C) 3 : 20 D) 20 : 3 E) None
Sol.   0.4A = 0.06 B ⇔ 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 i