document.write( "Question 1210597: Liam and Noah shared a collection of 540 vintage stamps. Liam sold 2/5 fewer stamps than Noah. After the sale, Noah found that the number of stamps he had remaining was exactly 2/3 of the number of stamps he had sold. If Liam’s remaining stamps accounted for 4/7 of the total stamps the two boys possessed at the end, how many stamps did Liam have at first? \n" ); document.write( "
Algebra.Com's Answer #854229 by greenestamps(13351) You can put this solution on YOUR website! \n" ); document.write( "FAULTY DATA!! \n" ); document.write( "Choose a variable: \n" ); document.write( "x = number Noah sold \n" ); document.write( "The number Noah had left was 2/3 the number he sold: \n" ); document.write( "(2/3)x = number Noah had left \n" ); document.write( "Liam sold \"2/5 fewer\" than Noah -- i.e., he sold 3/5 AS MANY as Noah: \n" ); document.write( "(3/5)x = number Liam sold \n" ); document.write( "Then... \n" ); document.write( "x + (3/5)x = (8/5)x = total sold \n" ); document.write( "540-(8/5)x = total remaining \n" ); document.write( "Liam's remaining stamps were 4/7 of the total remaining, so Noah's remaining stamps were 3/7 of the total remaining: \n" ); document.write( " \n" ); document.write( "multiply by 21 to clear fractions \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "x = 24300/142 = 171 9/71 \n" ); document.write( "Obviously the answer should be a positive integer.... \n" ); document.write( " \n" ); document.write( " |