document.write( "Question 931424: If 3 bulldozers can load 5 trucks full of earth in 30 minutes, then how long should it take 5
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document.write( "bulldozers to load 7 trucks full of earth? Assume that all the bulldozers work equally hard and
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document.write( "all truck loads are the same size. Solve the problem, explaining your reasoning. \n" );
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Algebra.Com's Answer #565580 by ankor@dixie-net.com(22740)![]() ![]() You can put this solution on YOUR website! If 3 bulldozers can load 5 trucks full of earth in 30 minutes, \n" ); document.write( "Find how many bulldozer minutes per truck \n" ); document.write( "3 * 30 = 5 \n" ); document.write( "90/5 = 18 bulldozer minutes per truck \n" ); document.write( ": \n" ); document.write( "then how long should it take 5 bulldozers to load 7 trucks full of earth? \n" ); document.write( "let m = no. minutes to accomplish this \n" ); document.write( "5m = 7*18 \n" ); document.write( "5m = 126 \n" ); document.write( "m = 126/5 \n" ); document.write( "m = 25.2 minutes for 5 dozers to load 7 trucks\r \n" ); document.write( " \n" ); document.write( " \n" ); document.write( " \n" ); document.write( "\n" ); document.write( " \n" ); document.write( " |