Answer:
look up the paper because i had that same paper
Step-by-step explanation:
Answer:
63
Step-by-step explanation:
40+77=117
180-117=63
5 People can be chosen in 1287 ways if the order in which they are chosen is not important.
Step-by-step explanation:
Given:
Total number of students= 13
Number of Students to be selected= 5
To Find :
The number of ways in which the 5 people can be selected=?
Solution:
Let us use the permutation and combination to solve this problem

So here , n =13 and r=5 ,
So after putting the value of n and r , the equation will be





Answer:
R180
Step-by-step explanation:
Adjusted income = (original pocket money x new ratio) / old ratio
( 6 x $150) / 5 = $180
Answer:
11
Step-by-step explanation:
5 x 2 =10
10+6=16
16-1=15