document.write( "Question 903685: In a backyard, there ate boys and dogs. There are 22 heads all in all and 68 feet. How many boys are there?
\n" ); document.write( "a.8
\n" ); document.write( "b.10
\n" ); document.write( "c.12
\n" ); document.write( "d.14
\n" ); document.write( "e.15
\n" ); document.write( "

Algebra.Com's Answer #548220 by ewatrrr(24785)\"\" \"About 
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\n" ); document.write( "Hi
\n" ); document.write( "b + d = 22
\n" ); document.write( "2b + 4d = 68\r
\n" ); document.write( "\n" ); document.write( "-2b -2d = -44
\n" ); document.write( "2b + 4d = 68
\n" ); document.write( " 2d = 24
\n" ); document.write( " d = 12 and the number of boys is 10\"22-11\"
\n" ); document.write( "And...
\n" ); document.write( "20 + 48 = 68 (number of feet they have) \n" ); document.write( "
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