Name: ________________________ Period: ____________ Challenge Problem 1 Week of April 25, 2011 Directions: Solve the question below correctly for 1 extra credit point. Your solution must include all work and your final answer circled. Remember all work must be shown in order to receive credit and you may only submit one problem per week. What year am I? On May 4 of this year, four students were killed by the National Guard when they participated in an antiwar demonstration on the campus of Kent State University in Ohio. The students were Allison Krause, 19; Sandra Lee Scheuer, 20; Jeffery Glenn Miller, 20; and William Schroeder, 19. • My date is divisible by ten. • My hundreds and tens digits are odd integers whose sum is 16. • My tens digit is a prime number. What year am I? Name: ________________________ Period: ____________ Challenge Problem 2 Week of April 25, 2011 Directions: Solve the question below correctly for 2 extra credit points. Your solution must include all work and your final answer circled. Remember all work must be shown in order to receive credit and you may only submit one problem per week. Two by Canoe Tashawn and Forrest are taking a three-day canoe trip. They'll paddle upstream for two days to a campground they have stayed at before (spending one night camping in a field), then paddle back downstream the third day in time to meet Forrest's mother at the spot where she dropped them off. The first day the boys paddle 13 hours. It takes them 9 hours of paddling the second day to get to the campground. If they paddle at a rate that's twice that of the current for the whole trip, at what time will they have to leave the campground on the third day in order to meet Forrest's mother by 4 p.m.? Your explanation must use variables and equations to communicate the method you've used to solve the problem. .