document.write( "Question 166428: A stamp collection consist of 3,8, and 15 cent stamps. The number of 8 cent stamps is one less than triple the number of 3 cent stamps. The number of 15 cent stamps is six less than the number of 8 cent stamps. The total value of all the stamps is $2.47. Find the number of 8 cent stamps in the collection. \n" ); document.write( "
Algebra.Com's Answer #122654 by Mathtut(3670)![]() ![]() ![]() You can put this solution on YOUR website! 3 cent stamps =t \n" ); document.write( "8 cent stamps =e \n" ); document.write( "15 cent stamps =f \n" ); document.write( "e=3t-1 \n" ); document.write( "f=e-8 f=(3t-1-8)=3t-9 \n" ); document.write( "t+e+f=2.47\r \n" ); document.write( "\n" ); document.write( "substitute:e's value and f's value first 2 equations \n" ); document.write( "\n" ); document.write( " \n" ); document.write( "\n" ); document.write( "which isnt right since you need an integer \n" ); document.write( "my guess is that should be 259 meaning t+e+f should have been equal to $2.49 \n" ); document.write( "so based on a final figure of \n" ); document.write( "\n" ); document.write( "if t=37 then e=3(37)-1=110 and f=110-8=102\r \n" ); document.write( "\n" ); document.write( "3cent stamps =37 \n" ); document.write( "8cent stamps =110 \n" ); document.write( "15cent stamps =102\r \n" ); document.write( "\n" ); document.write( "this again is based on the amount total of the stamps equaling $2.49 \n" ); document.write( " |