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  • 1. Txt me ! By: Brett, Shalyn and JaniceFriday, 8 March, 13
  • 2. WWW.C E M C .U WAT E R LO O.C A | T h e C E N T R E fo r E D U C AT I O N i n M AT H E M AT I C S a n d CO M P U T I N GFriday, 8 March, 13
  • 3. Question a: If any of the other months in 2009 were similar, how many texts were sent in total in 2009 The answer is 36,000,000,000 because in one month 3,000,000,000 texts were sent and 3 x 12 is 36.Friday, 8 March, 13
  • 4. Question b: About how many texts were sent each day? The answer is about 100,000,000 texts were sent each day because 36,000,000,000 ÷ 365 = 100,000,000Friday, 8 March, 13
  • 5. Question C : Emeka texts like a average Canadian, how many texts does she send in a year? She sends 3,600 texts per year. The solution is 36,000,000,000 ÷ 10,000,000,000 = 3,600Friday, 8 March, 13
  • 6. Question D : If each text message taKes about 30 seconds to compose and send, about how much time does Emeka spend texting in a year? The answer is 108,000 seconds because 3,600 x 30 = 108,000Friday, 8 March, 13