Javier wants to buy a new video game that costs $62. Last week he saved $20 for the
1 answer:
You might be interested in
Answer:
Step-by-step explanation:
we know that
The phrase " the sum of x and 8" is equivalent to adds the number x and the number 8 or sum the number x plus the number 8
so
It follows from the definition of the binomial coefficient:
So we have
That is, gets absorbed into the numerator's factorial, and we introduct
into the denominator. Now,
, so we get
as required.