Answer:
Cr = 10
Step-by-step explanation:
To calculate combinations we use the nCr formula: nCr = n! / r! * (n - r)!, where n = number of items, and r = number of items being chosen at a time.
![C(n,r)=[?]](https://tex.z-dn.net/?f=C%28n%2Cr%29%3D%5B%3F%5D)




[RevyBreeze]
First, you need to divide 12.5/2.5= 5. After that, you need to multiply 17.50x5=87.50. So your answer is $87.50.
Answer:
25
Step-by-step explanation:
25x14=350