As part of his workout jamal does 2 sets of 25 push ups. if he does this 10 times each month, how many push ups does he do each month?

First determine how many push-ups he does each time

2 sets * 25 pushups = 50 pushups

Now times that by the number of times he does this each month

50 pushups * 10times a month = 500 pushups a month