In 2011 in the United States, 35 out of every 100 adults owned a smartphone. By 2013
Question:
In 2011 in the United States, 35 out of every 100 adults owned a smartphone. By 2013 this figure increased to 56 out of every 100.
(a) Express both of these figures as fractions reduced to their lowest terms.
(b) By what factor did smartphone ownership increase during this period? Give your answer as a mixed fraction in its lowest terms.
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