document.write( "Question 1210613: Marek and Zaven had 900 coins altogether. Marek spent 25% fewer coins than Zaven. Zaven was left with 50% as many coins as the number he spent. Marek had 75% of the total number of coins the two friends had left in the end. How many coins did Marek have in the end?
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Algebra.Com's Answer #854419 by math_tutor2020(3837) ![]() You can put this solution on YOUR website! \n" ); document.write( "I'd go with the last method tutor KMST mentioned. \n" ); document.write( "
\n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Refer to the given statement that \"Marek had 75% of the total number of coins the two friends had left in the end\"which means we'll use the last two entries of the bottom row to form this equation \n" ); document.write( "900-4.5x = 0.75*(900-3.5x) \n" ); document.write( "That equation solves to x = 120\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Plugging that value of x back into the table above produces the following: \n" ); document.write( "
\n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Answer: 360 coins \n" ); document.write( " \n" ); document.write( " |