the mean of two numbers is 10 and their difference is zero. find the numbers
Answers
Answered by
18
(a+b)/2=10
a+b=20
a-b=0
a=10 and b=10
sanjana6629:
explain it please
Mean of 2 numbers a and b can be written as (a+b)/2
also given a-b=0
on solving both the equations we can get values of a and b
thnxx
Answered by
9
Let the two numbers be x and y.
Then,
x+y/10=10
x-y=0
x=y
So,
x=10 and y=10.
So,the two numbers are 10,10
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