document.write( "Question 370006: Mr. and Mrs. Wang are both 40 years old. They have a pair of twin daughters and a son. The product of the ages of the children is 36. Find the possible ages of the children. \n" ); document.write( "
Algebra.Com's Answer #263764 by Earlsdon(6294)![]() ![]() ![]() You can put this solution on YOUR website! Let's see what useful information we have! \n" ); document.write( "The product of their ages is 36. \n" ); document.write( "They have a pair of twin daughters. \n" ); document.write( "Mr. & Mrs. Wang are 40 years old. \n" ); document.write( "What are the possible ages of the children? \n" ); document.write( "Let's first find the factors of 36 which will represent the possible ages of the three children: \n" ); document.write( "1*1*36 = 36 \n" ); document.write( "1*2*18 = 36 \n" ); document.write( "1*3*12 = 36 \n" ); document.write( "1*4*9 = 36 \n" ); document.write( "1*6*6 = 36 \n" ); document.write( "2*2*9 = 36 \n" ); document.write( "3*3*4 = 36 \n" ); document.write( "Now select from this list the entries that have double (twin) integers. \n" ); document.write( "1*1*36 = 36 \n" ); document.write( "1*6*6 = 36 \n" ); document.write( "2*2*9 = 36 \n" ); document.write( "3*3*4 = 36 \n" ); document.write( "The first entry doesn't qualify because if the parents are 40, they would not have a child who is 36. \n" ); document.write( "This leaves the remaining entries: \n" ); document.write( "1, 6, and 6. \n" ); document.write( "2, 2, and 9. \n" ); document.write( "3, 3, and 4. \n" ); document.write( "as the possible ages. \n" ); document.write( " |