Answer:
A) 100 x (4/5)
Step-by-step explanation:
Spent a total of 100 dollars, all being the same price
Each is 20 dollars.
For 4 pairs it would be 80.
100 x (4/5) = 80
Answer:
The answers are: 1 and 1.
Step-by-step explanation:
I believe they are how combinations are written. In other words:
(Ignore the fraction bar, I can't really format it properly).
Anyways, simply find the combination of each:


Note that 0! equals 1.
x(greater than or equal to)5