document.write( "Question 256010: A boy buys oranges at 3 for $1 and will sell them at 5 for $2. If he wishes to
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document.write( "make a profit of $10, how many oranges must he sell? \n" );
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Algebra.Com's Answer #188206 by nerdybill(7384)![]() ![]() You can put this solution on YOUR website! A boy buys oranges at 3 for $1 and will sell them at 5 for $2. If he wishes to \n" ); document.write( "make a profit of $10, how many oranges must he sell? \n" ); document.write( ". \n" ); document.write( "Let x = number of oranges sold \n" ); document.write( "then \n" ); document.write( "\"amount sold\" - \"cost\" = \"profit\" \n" ); document.write( "2(x/5) - 1(x/3) = 10 \n" ); document.write( "2(x/5) - (x/3) = 10 \n" ); document.write( "Multiplying both sides by 15: \n" ); document.write( "6x - 5x = 150 \n" ); document.write( "x = 150 \n" ); document.write( " \n" ); document.write( " |