There is this question on my test:
a social networking site recorded that 80% of the p...
Mathematics, 29.01.2020 19:47 edconsys
There is this question on my test:
a social 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?
112
288
360
432
i keep getting 360! i submitted it and it was incorrect, what am i doing wrong? ?
Answers: 1
Mathematics, 21.06.2019 22:00, shantejahtierr63961
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