document.write( "Question 969235: joe spent 7.70$ on some 22-cent and 40-cent stamps.if he bought 26 stamps in all, use the simultaneous equation method to find how many stamps of each type he bought \n" ); document.write( "
Algebra.Com's Answer #592167 by stanbon(75887) ![]() You can put this solution on YOUR website! joe spent 7.70$ on some 22-cent and 40-cent stamps.if he bought 26 stamps in all, use the simultaneous equation method to find how many stamps of each type he bought \n" ); document.write( "---- \n" ); document.write( "Quantity:: t + f = 26 stamps \n" ); document.write( "Value::::22t +40f = 770 cents \n" ); document.write( "----------------------------- \n" ); document.write( "Modify for elimination: \n" ); document.write( "11t + 20f = 385 \n" ); document.write( "11t + 11f = 11*26 \n" ); document.write( "--------------------------- \n" ); document.write( "9f = 99 \n" ); document.write( "f - 11 (# of 40 cent stamps bought) \n" ); document.write( "t = 26-11 = 15 (# of 22 cent stamps bought) \n" ); document.write( "------------- \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( "--------------- \n" ); document.write( " |