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13.10.2019 •
Mathematics
Asocial networking site recorded that 80% of the people who became members of the site one month were between 30 and 40 years old. the equation below represents this information, where x represents the total number of people who became members of the site that month.. x = 0.8x + 72. how many people who became members of the site that month were between 30 and 40 years of age? a) 112
b) 288
c) 360
d) 432
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