Addition
Joe said -75+54 was 129.Is he wrong, and if so then explain his error and say the real answer to the problem.
What is yes, because he added 75+54 instead of -75+54, which is 21
3*-21
What is -63
Harry was playing football. He started at twenty yards. He got the ball, but lost ten yards. The next play he gained fifteen, and the next play he lost five. What yard is he at now?
What is 20
-5*-11*-6
What is -330