Sara Reynolds (14 Oct 2011)
"2520, 1440 and 1260 seconds"

 
John and all Five Doves
 
2520 seconds equals 42 minutes; 70% of 1 hour.  1440 seconds equals 24 minutes; 40% of 1 hour.  1260 seconds equals 21 minutes; 35% of 1 hour.  Bob Ware, what would it look like in the circle?
 
Sara Reynolds