Find the coordinate of point x such that ratio of mx to xj is 3: 1

Ricardo ran the 400 meter race 3 times his fastest time was 54.3 seconds his slowest time was 56.1 seconds if his average time was 55.0 seconds what was his time for the third race

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

What is the measure of angle tvu shown in the diagram below