Study the given graph carefully to answer the question that follow:
Number of people (in thousands) using three different types of mobile services over the years
The total number of people using all the three mobiles services in the year 2007 is what percent of the total number of people using all the three mobile devices in the year 2008 ?
People using all services in 2007 = 55k
in 2008 = 60k
required %age = (55/60)*100 = 91.67%
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