document.write( "Question 777883: A concrete mixture is made by mixing cement, sand and gravel, by volume, in the ratio 1:2:4. If 2 m cubed of gravel is used, how much cement and sand must be added? \n" ); document.write( "
Algebra.Com's Answer #474305 by Cromlix(4381)![]() ![]() You can put this solution on YOUR website! The ratio is 1:2:4 \n" ); document.write( "If 2m^3 gravel is added. \n" ); document.write( "then 0.5m^3 cement and 1m^3 sand \n" ); document.write( "should be added. \n" ); document.write( "(0.5:1:2)*2 = (1:2:4) \n" ); document.write( "Hope this helps. \n" ); document.write( ":-) \n" ); document.write( " |