At a certain toy store, tiny stuffed pandas cost $3.50 and giant stuffed
pandas cost $14. If the store sold 29
panda toys and made $217 in revenue
in one week, how many tiny stuffed
pandas and giant stuffed pandas were
sold?

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.