document.write( "Question 1034327: If 13 builders took 6 months to build a house how long will 10 builders take to build the house \n" ); document.write( "
Algebra.Com's Answer #648949 by addingup(3677)\"\" \"About 
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This is a problem in inverse variation, i.e., a relationship between two variables such that an increase in one causes a corresponding decrease in the other, or a decrease in one causes a corresponding increase in the other.
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\n" ); document.write( "n1/n2 = d2/d1=
\n" ); document.write( "13/10 = x/6 Cross multiply:
\n" ); document.write( "13*6 = 10*x
\n" ); document.write( "78 = 10x
\n" ); document.write( "x = 7.8 months
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\n" ); document.write( "John
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