SOLUTION: a man started selling magazine subscriptions he sold twice as many each day over the day before after five days he sold a total of ninety three magazine subscriptions. What is tota

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Question 360021: a man started selling magazine subscriptions he sold twice as many each day over the day before after five days he sold a total of ninety three magazine subscriptions. What is total magazine subscriptions for the third day?
Answer by robertb(5830) About Me  (Show Source):
You can put this solution on YOUR website!
Let x = # subscriptions in the first day. Then
x%2B%282x%29%2B%284x%29%2B%288x%29%2B%2816x%29+=+93.
31x+=+93,
x+=+3. Therefore there were 4%2A3+=12 subscriptions on the 3rd day.