Find the measures of an interior angle and an exterior angle of a regular 18-gon

Tom had a total of $220 and he spent $35 on a basketball ticket . what percent of his money did he have left?

Runner ran 1 4/5 miles on monday and 6 3/10 on tuesday. how many times her monday’s distance was her tuesdays distance

Marcus and cody both leave the park at the same time, but in opposite directions. if cody travels 6 mph faster than marcus and after 4 hours they are 64 miles apart, how fast is each traveling? solve using rare times time = distance.