0.6 of a number equals 0.09 of another number. The ratio of the number is: Choose one:
A) 2:3
B) 1:15
C) 20:3
D) 3:20
E) None of these
Explanation :   Let 0.6 of x be equal to 0.09 of y:   i.e. 0.6x = 0.09y   =&gt; x/y = 0.09/0.6 = 3/20   Answer : 3:20
<result>D</result>
0.6 of a number equals 0.09 of another number. The ratio of the number is: