document.write( "Question 1019886: gus is saving money to buy an xbox 360 he earns $15 each week for allowance and has already saved $90 towards this purchase \n" ); document.write( "
Algebra.Com's Answer #635884 by LinnW(1048) You can put this solution on YOUR website! Set w = no of weeks \n" ); document.write( "90 + 15w = 360 \n" ); document.write( "add -90 to each side \n" ); document.write( "15w = 360-90 \n" ); document.write( "15w = 270 \n" ); document.write( "divide each side by 15 \n" ); document.write( "w = 18 weeks \n" ); document.write( " |