im thinking of 2 decimals. Their sum is 15.2 and when the smaller is subtracted from the larger, their difference is 6.4 . what are the 2 decimals

Question

mertsj · Answer

x+y=15.2
x-y=6.4

mertsj · Answer

Solve the system

anonymous · Answer

im only in 5th  grade i didnt learn how to solve that

mertsj · Answer

Then find the average of the sum and difference.  That will be the larger one.

anonymous · Answer

how though

anonymous · Answer

add the two equations, which will cancel out  y
and give you simple equation for x

2 x = 21.6

then use either equation to get y from the x you now have.

anonymous · Answer

i just need the answer and how

mertsj · Answer

You don't know how to find the average of 2 numbers?

anonymous · Answer

no

mertsj · Answer

Add the numbers and divide by 2

mertsj · Answer

That will be the average.

anonymous · Answer

but there has to be two decimals

anonymous · Answer

youre the best i got the answer