Thinking Mathematically (6th Edition)

Published by Pearson
ISBN 10: 0321867327
ISBN 13: 978-0-32186-732-2

Chapter 1 - Problem Solving and Critical Thinking - 1.2 Estimation, Graphs, and Mathematical Models - Exercise Set 1.2: 75

Answer

2 years

Work Step by Step

Number of years from age 2 to 17 inclusive = 16 years Duration of watching television per week = 19 hrs 40 mins = (60 x 19) + 40 = 1180 mins Number of weeks in a year = 52 Therefore, duration of watching television in 16 years = (16 x 52 x 1180) mins = 981760 mins = (981760)/ (24 x 60) days = 682 days = 2 yrs (to the nearest tenth of the year)
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