Answer:
I believe d
Step-by-step explanation:
Need more detail to solve
Eleven and five tenths plus another number
It’s D it’s substitution just not simplified
We will use the binomial coefficient formula to work out the answer
The formula is given by:

Where:
'n' is the total population or sample population
'r' is the number of pick
We have:
n = 20
r = 3
Substitute these values into the formula we have

Answer:
There are 1140 different ways of picking three winners out of 20 people