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?