A lottery consists of selecting five white numbers between 1 and 35 and two blue numbers
between 1 and 40. How many combinations of numbers are there?
we have that
the formula for Combinations is equal to
[tex]C(n,r)=\frac{n!}{(n-r)!\cdot r!}[/tex]For the white numbers
n=35
r=5
substitute the gi
