document.write( "Question 159710: Currently you have $80.00 and your sister has $145.00. You decide to save $6.00 of your allowance each week, while your sister decide to spend her whole allowance plus $7.00 each week. How long will it be before you have as much money as your sister. \n" ); document.write( "
Algebra.Com's Answer #117756 by checkley77(12844)![]() ![]() ![]() You can put this solution on YOUR website! 80+6w=145-7w \n" ); document.write( "6w+7w=145-80 \n" ); document.write( "13w=65 \n" ); document.write( "w=65/13 \n" ); document.write( "w=5 weeks they will have the same amount of money. \n" ); document.write( "Proof: \n" ); document.write( "80+6*5=145-7*5 \n" ); document.write( "80+30=145-35 \n" ); document.write( "110=110 \n" ); document.write( " |