A Lot of Hot Air
John Cassidy is qute normal...in fact he regularly shops at Costco. But, as a balloon artist, he holds many Guinness world records:
 Most balloon sculptures completed in one hour: 747
 Most modeling balloons inflated in one hour: 717
 Most balloon sculptures in one minute: 13
 Fastest balloon dog: 6.5 seconds
Question 1: Assuming he can work at a constant rate, how many balloon dogs should John be able to make in one minute? one hour?
Question 2: Given his record, how many balloons can John inflate in one minute? Also, what is the average length of time it takes him to inflate one balloon?
Question 3: When inflating 717 balloons in one hour, what volume of air is "trapped"?
Source: The Costco Connection, October 2008, p. 68
