document.write( "Question 723996: If I were to save $1.00 + $2.00 +$3.00 and so on per day for a year how much money would I have at the end of that year \n" ); document.write( "
Algebra.Com's Answer #443506 by jim_thompson5910(35256)![]() ![]() ![]() You can put this solution on YOUR website! On day 365, you will have saved $365. So the first term of this arithmetic sequence is 1, the last term is 365, and there are n = 365 terms\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Now use the formula\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Sn = n*(a1 + an)/2\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "S365 = 365*(a1 + a365)/2\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "S365 = 365*(1 + 365)/2\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "S365 = 66795\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "So you will have saved a total of $66795 \n" ); document.write( " |