SOLUTION: out of 6 numbers, average of the first 5 numbers is 20 & average of last 5 numbers is 24 . if the last number is 36 , then the first number is ?

Algebra ->  Average -> SOLUTION: out of 6 numbers, average of the first 5 numbers is 20 & average of last 5 numbers is 24 . if the last number is 36 , then the first number is ?      Log On


   

Question 847502: out of 6 numbers, average of the first 5 numbers is 20 & average of last 5 numbers is 24 . if the last number is 36 , then the first number is ?
Answer by swincher4391(1107) About Me  (Show Source):
You can put this solution on YOUR website!
a+b+c+d = 100
b+c+d+e = 120
e = 36
b+c+d = 120 -36 = 84
a+84 = 100
a = 16 <--- ANS