Cow math puzzle: Are you smart enough to solve it!
A viral math puzzle is confusing social media users: You buy a cow for $800, sell it for $1,000 (+$200), buy it back for $1,100, then sell it again for $1,300 (+$200 again). The trick is tracking each transaction correctly. Final answer: $400 total profit. Many people get confused because they mix up the buys…
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