Mathematics, 12.04.2021 23:20 karlaperez7309
The average number of weekly social media posts varies jointly with the poster's yearly income (in thousands) and inversely with their age in years. If a 60-year-old person with an income of $100,000 posts an average of 300 times in a week, what is the value of K?
A) K = 225
B) K = 180
C )K = 100
D) K = 300
Answers: 2
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