Tom's mother pays him $.50 for each problem his gets correct on his test, but he has to give her .25 for each problem he gets wrong. If Tom makes $8.00 on the test, and there were 25 total problems on the test, how many did he answer correctly?
algebra - bobpursley, Tuesday, January 11, 2011 at 9:54pm
NC is number corret.
solve for NC