Neil and Tom love to collect baseball cards. Neil has 83 more baseball cards than Tom. Neil has 517 baseball cards, How many baseball cards does Tom have?

Cody was 165cm tall on the first day of school this year, which was 10% taller than he was on the first day of school last year.

Martha is training for a duathlon, which includes biking and running. she knows that yesterday she covered a total distance of over 55.5 miles in more than than 4.5 hours of training. martha runs at a speed of 6 mph and bikes at a rate of 15.5 mph.

If bradley saves for 4 weeks, what is the total amount of money he will have saved?