Answer:
D
Step-by-step explanation:
Since triangles ABC and CDB are similar, CD and CB is the same as the ratio between CB and CA. 15:9=x:15. x=25. Subtracting CD to just be left with AD, we get 25-9=16, or answer choice D. Hope this helps!
-21.85.999
I found the ansewr by dividing both of the numbers to equal tthat
Seth at 1 - 1/2 - 1/3 = 1/6 of the sandwich.
Therefore the ratio is:
1/2 : 1/3 : 1/6
Multiply everything by 6:
3: 2: 1 D