The mean of three numbers is 4
Two of the numbers are 1, 9
What is the missing number?
2 answers:
Answer is 2
(9+1+x)/3=4
(10+x)/3=4
10+x= 3*4
x= 12 -10
x= 2
Answer:2
Step-by-step explanation: 9+1+2=12
12\3=4
ANSWER : 2
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