document.write( "Question 290306: 24 boxes are carried by 24 people. Adults can carry 3 boxes Teenages can carry 2 boxes and 3 children can carry 1 box. How do I figure hown many of which people carried how many boxes. Some thing like 3 adults 2 teenagers and 6 children??? \n" ); document.write( "
Algebra.Com's Answer #210076 by ankor@dixie-net.com(22740)![]() ![]() You can put this solution on YOUR website! 24 boxes are carried by 24 people. \n" ); document.write( " Adults can carry 3 boxes Teenagers can carry 2 boxes and 3 children can carry 1 box. \n" ); document.write( "How do I figure how many of which people carried how many boxes. \n" ); document.write( ": \n" ); document.write( "Total people equation: \n" ); document.write( "a + t + c = 24 \n" ); document.write( ": \n" ); document.write( "Let each child carry 1/3 of box \n" ); document.write( "3a + 2t + \n" ); document.write( "Multiply by 3 and use elimination with the first equation: \n" ); document.write( "9a + 6t + c = 72 \n" ); document.write( " a + t + c = 24 \n" ); document.write( "-------------------subtraction eliminates c \n" ); document.write( "8a + 5t = 48 \n" ); document.write( "8a = 48 - 5t \n" ); document.write( "Divide eq by 8: \n" ); document.write( "a = 6 - \n" ); document.write( "We must have an integer solution; t has to be a multiple of 8, but not 16 \n" ); document.write( "t=8 \n" ); document.write( "a = 6 - 5 \n" ); document.write( "a = 1 \n" ); document.write( ": \n" ); document.write( "1 adult, 8 teenagers \n" ); document.write( ": \n" ); document.write( "Find the number of children \n" ); document.write( "1 + 8 + c = 24 \n" ); document.write( "c = 24 - 9 \n" ); document.write( "c = 15 children \n" ); document.write( ": \n" ); document.write( "Check by finding the number of boxes \n" ); document.write( "1(3) + 8(2) + \n" ); document.write( "3 + 16 + 5 = 24 boxes \n" ); document.write( "; \n" ); document.write( "1 adult, 8 teenagers, 15 children \n" ); document.write( " \n" ); document.write( " |