Paulo has a certain amount of money. If he spends $6.00, then he has of the original amount left.
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Step-by-step explanation:

You are trying to find the distance of A which can be accomplished using the distance formula and the point two point making line A I believe

The distance formula is
D=squareroot (x-x) + (y-y)

The first x and y are from the same coordinates

I believe the answer is that the distance of A is 10