A dog takes 5 leaps for every 6 leaps of a hare. If one leap of the dog is equal to 3 leaps of the hare, the ratio of the speed of the dog to that of the hare is :
Choose the correct choice.
A) 1:6
B) 5:6
C) 6:1
D) 5:1
E) 9:1
Explanation:   5:1og : Hare = (5*3) leaps of hare : 6 leaps of hare = 15 : 3--&gt;5:1   Answer: 5:1
<result>D</result>
A dog takes 5 leaps for every 6 leaps of a hare. If one leap of the dog is equal to 3 leaps of the hare, the ratio of the speed of the dog to that of the hare is :