I bought a cow for $800.
I sold it for $1000.
I bought it again for $1100.
I sold it again for $1300.
How much did I earn?
Answer $400
After first buying and selling the cow, you make $200. Then, after the second transaction, you make another $200, as $1300 - $1100 = $200. Adding those sums together gives you a total of $400 in cattle earnings.
Asked by Ben Jenkins · Last updated 3 years ago · 1.5K views · SOURCE
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