Answer:
You had $30
Step-by-step explanation:
The answer is 30 because he said that he had 10 dollars and 20 which means he had 30 dollars the other money was given to him.
P.S Can I have brainliest? (I don't deserve brainliest the other guy got it first.)
I think the answer to your question is
3,942,000
A. the coordinates for the 3rd one is (7, -4)