document.write( "Question 100716: Marilyn had a bag of gold coins. She gave 1/8 of them to her mother and then gave 1/2 of what was left to her brother. She then gave 2/7 of what left to her dad. If she then had 25 coins left, how many did she have originally? \n" ); document.write( "
Algebra.Com's Answer #73326 by edjones(8007)![]() ![]() You can put this solution on YOUR website! let x= what she started with. \n" ); document.write( "x*7/8=7x/8 \n" ); document.write( "7x/8*1/2=7x/16 \n" ); document.write( "7x/16*2/7=14x/112 \n" ); document.write( "14x/112=x/8 \n" ); document.write( "so 1/8 of what she started with=25 coins \n" ); document.write( "x/8=25 \n" ); document.write( "x=25*8 multiply both sides times 8. \n" ); document.write( "25*8=200 coins she started with. \n" ); document.write( "Ed\r \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |