If the ratio of a to b is 2 to 3 and the ratio of b to c is 1 to 5, what is the ratio of a to c?
Choose the correct choice:
A) 4/15  B) 1/3  C) 2/15  D) 4/5  E) 7/6
a:b = 2:3 -- 1   b:c = 1:5   =&gt;b:c = 3 :15 --2   From 1 and 2 , we get   a:c = 2:15   Answer 2/15
<result>C</result>
If the ratio of a to b is 2 to 3 and the ratio of b to c is 1 to 5, what is the ratio of a to c?