Step-by-step explanation:
Number of Combinations
= 25C0 + 25C1 + 25C2 + 25C3 + 25C4 + 25C5
= 1 + 25 + 300 + 2300 + 12650 + 53130
= 68,406.
There are a total of 68,406 combinations.
Answer:
20
Step-by-step explanation:
1) 5 feet is 60 inches
2)Divide 60 inches (total inches in one stack) by the 3 inches ( inches in the Average book)
3) 60/3=<u>20</u>
The equation <u>6 + 9a = 51</u> can help find out how many adults were in the group.
