document.write( "Question 179297: At work one day, Erica Franz received 7 packages. Speedy delivery delivered twice as many as Ralph's Express, while Ralph's Express delivered one more package than SendQuick package. How many packages did each service deliver to Erica.\r
\n" ); document.write( "\n" ); document.write( "Speedy Delivery\r
\n" ); document.write( "\n" ); document.write( "Ralph's Express\r
\n" ); document.write( "\n" ); document.write( "Send Quick \n" ); document.write( "
Algebra.Com's Answer #134205 by stanbon(75887)\"\" \"About 
You can put this solution on YOUR website!
At work one day, Erica Franz received 7 packages. Speedy delivery delivered twice as many as Ralph's Express, while Ralph's Express delivered one more package than SendQuick package. How many packages did each service deliver to Erica.
\n" ); document.write( "-----------------------------
\n" ); document.write( "Equations:
\n" ); document.write( "s + r + q = 7
\n" ); document.write( "s = 2r
\n" ); document.write( "r = q + 1
\n" ); document.write( "-------------------
\n" ); document.write( "Rearrange:
\n" ); document.write( "s + r + q = 7
\n" ); document.write( "s - 2r + 0 = 0
\n" ); document.write( "0 + r - q = 1
\n" ); document.write( "------------------
\n" ); document.write( "Use any method you know to get:
\n" ); document.write( "s = 4
\n" ); document.write( "r = 2
\n" ); document.write( "q = 1
\n" ); document.write( "===========
\n" ); document.write( "Cheers,
\n" ); document.write( "Stan H. \n" ); document.write( "
\n" );