The average of three numbers is 7, if one of these numbers is 13, then find the average of other two numbers.
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The average of three numbers is 7, if one of these numbers is 13, then find the average of other two numbers.
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Answer:
Answer is 4
Step-by-step explanation:
let numbers be 13,a,b
average is (13+a+b)/3=7
13+a+b=21
a+b=8
average of two numbers ia a+b/2
so 8/2=4
Hence , 4