document.write( "Question 1078439: Brendan plans to plow a field in one day. Before lunch he plows 28 acres, which is 70% of the field. how many acres will he have to plow after lunch in order to finish the field? \n" ); document.write( "
Algebra.Com's Answer #692884 by Boreal(15235)![]() ![]() You can put this solution on YOUR website! 28 acres is 70% \n" ); document.write( "28:70 as x:30 is one way \n" ); document.write( "28/70=x/30 \n" ); document.write( "cross-multiply and 840=70x; x=12 acres. \n" ); document.write( "Another is 28:70 as x:100, the whole field. This will lead to 40 acres for the whole field or 12 acres after lunch. \n" ); document.write( " |