A man buys a goat for $60 and sells it for $70. Then he buys it back at $80 but sells it again for $90. How much money did he make?
$20 as $10 twice, two completed operations
A man buys a firework for Rs. 600, then he sells it for Rs. 700, then he buys it back for Rs. 800 but sells it for Rs. 900. How much money did he make?
A man wants to buy a used car. He finds a beautiful Buick for $9500, but he buys it without paying a dime.
How did he manage this?
Neeraj buys an old piano for Rs. 6800 and spends Rs. 1200 to repair it. If he sells the piano for Rs. 8600, what is his gain percentage?
