On an American flag, the first stripe is red and half of the remaining stripes are also red. Each flag has 13 stripes. John buys 10 flags. How many red stripes are there?
Thoughts? Step-by-step reasoning:
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There are 13 - 1 = 12 stripes left. So there are 12 / 2 = 6 red stripes. So the total number of red stripes is 6 + 1 = 7 red stripes. So he has a total of 7 * 10 = 70 red stripes.
Thus, the answer is 70.
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