Answer:
4845 ways
Step-by-step explanation:
To solve this problem we use the formula of combinations
Where n is the total number of students that can be chosen and you choose r from them.
So
Note that in this case the order in which the 4 students are chosen does not matter.
Then
A AAAAAAAAAAAAAAaaAaaaaaa
Answer:
x= 1.5
Step-by-step explanation:
According to the question
10x = 15
x = 15 / 10
<u>x = 1.5</u>