document.write( "Question 1064749: The entrance fee for visiting a museum is $76 for 4 children and 4 adults. The entrance fee for 6 children and 3 adults is $75. Find the total cost of visiting the museum for a family of 5 adults and 3 children. \n" ); document.write( "
Algebra.Com's Answer #679833 by josmiceli(19441)\"\" \"About 
You can put this solution on YOUR website!
First, you need to find the cost for ONE adult and
\n" ); document.write( "ONE child to visit
\n" ); document.write( "-----------------------
\n" ); document.write( "Let \"+a+\" = the cost for one adult
\n" ); document.write( "Let \"+b+\" = the cost for one child
\n" ); document.write( "-----------------------------------
\n" ); document.write( "(1) \"+4a+%2B+4b+=+76+\"
\n" ); document.write( "(2) \"+3a+%2B+6b+=+75+\"
\n" ); document.write( "------------------------------
\n" ); document.write( "(1) \"+2a+%2B+2b+=+38+\"
\n" ); document.write( "(1) \"+a+%2B+b+=+19+\"
\n" ); document.write( "and
\n" ); document.write( "(2) \"+a+%2B+2b+=+25+\"
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\n" ); document.write( "Subtract (1) from (2)
\n" ); document.write( "(2) \"+a+%2B+2b+=+25+\"
\n" ); document.write( "(1) \"+-a+-+b+=+-19+\"
\n" ); document.write( "------------------------------
\n" ); document.write( "\"+b+=+6+\"
\n" ); document.write( "and
\n" ); document.write( "(1) \"+a+%2B+b+=+19+\"
\n" ); document.write( "(1) \"+a+%2B+6+=+19+\"
\n" ); document.write( "(1) \"+a+=+13+\"
\n" ); document.write( "--------------------------
\n" ); document.write( "\"+5a+=+5%2A13+\"
\n" ); document.write( "\"+5a+=+65+\"
\n" ); document.write( "and
\n" ); document.write( "\"+3b+=+3%2A6+\"
\n" ); document.write( "\"+3b+=+18+\"
\n" ); document.write( "and
\n" ); document.write( "\"+5a+%2B+3b+=+65+%2B+18+\"
\n" ); document.write( "\"+5a+%2B+3b+=+83+\"
\n" ); document.write( "The cost for a family of 5 adults and 3 children
\n" ); document.write( "is $83
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\n" ); document.write( "check my math\r
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