document.write( "Question 1069233: A certain concrete mixture contains 4.00% cement and 5.00% sand. How many kilograms of this mixture and how many kilograms of sand should be combined with 225 kg of cement to make a batch that is 13.0% cement and 14.0% sand? Carry out all calculations exactly and round to three significant digits final answers only. \n" ); document.write( "
Algebra.Com's Answer #684428 by josgarithmetic(39623)![]() ![]() ![]() You can put this solution on YOUR website! See the other posting for the correct setup of equations for this problem.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "#1069196 \n" ); document.write( "https://www.algebra.com/algebra/homework/Rate-of-work-word-problems/Rate-of-work-word-problems.faq.question.1069196.html \n" ); document.write( " |