One integer is 4 times another. if the product of the two integers is 16, then find the integers.

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

In a column proof the right column states your reasons

Arace is 10 kilometers long. markers will be placed at the beginning and end of the race course and at each 500 meter mark. how many markers are needed to mark the course for the race?