document.write( "Question 425046: Carol bought 36 two-cent and three-cent stamps for $1.00. How many stamps of each kind did she buy? \n" ); document.write( "
Algebra.Com's Answer #296113 by htmentor(1343) You can put this solution on YOUR website! Let x = number of 3 cent stamps \n" ); document.write( "So the number of 2 cent stamps = 36 - x \n" ); document.write( "Since the total = 100 cents, we have the following formula to solve: \n" ); document.write( "2(36-x) + 3x = 100 -> 72 - 2x + 3x = 100 -> x = 28 \n" ); document.write( "The number of 2 cent stamps = 36 - 28 = 8 \n" ); document.write( "Ans: 8 2-cent stamps, 28 3-cent stamps \n" ); document.write( " \n" ); document.write( " |