If the ratio of a to b is 8 to 3 and the ratio of b to c is 1 to 5, what is the ratio of a to c?
Choose one
A) 8/15
B) 1/3
C) 2/5
D) 4/5
E) 7/6
a:b =8:3 -- 1   b:c = 1:5   =&gt;b:c = 3 :15 --2   From 1 and 2 , we get   a:c = 8:15   8/15nswer 8/15
<result>A</result>
If the ratio of a to b is 8 to 3 and the ratio of b to c is 1 to 5, what is the ratio of a to c?