1. Txt me !
By: Brett, Shalyn and Janice
Friday, 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 G
Friday, 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 = 100,000,000
Friday, 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 = 3,600
Friday, 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 = 108,000
Friday, 8 March, 13