document.write( "Question 1055333: If Sarah was saving for a computer that cost$1200 the first month she saved$20 and doubled the amount each month after that how many months will it take her to save the money? \n" ); document.write( "
Algebra.Com's Answer #670566 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! If Sarah was saving for a computer that cost $1200 the first month she saved$20 and doubled the amount each month after that how many months will it take her to save the money? \n" ); document.write( "------- \n" ); document.write( "1st mth:: 20 \n" ); document.write( "2nd mth:: 40 \n" ); document.write( "3rd mth:: 40 \n" ); document.write( "etc \n" ); document.write( "---- \n" ); document.write( "20 + 40x = 1200 \n" ); document.write( "40x = 1180 \n" ); document.write( "x = 29.5 \n" ); document.write( "Ans:: 30 mths when rounded up \n" ); document.write( "----------- \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( "----------- \n" ); document.write( " |