document.write( "Question 957927: in a mixture of concrete, there are two lb of cement mix for each pound of gravel. if the mixture contains a total of 45 lb of thes two ingredients how many pounds of gravel are there? \n" ); document.write( "
Algebra.Com's Answer #585433 by macston(5194)![]() ![]() You can put this solution on YOUR website! G=amount of gravel; C=amount of cement=2G \n" ); document.write( "G+C=45lb Substitute for C \n" ); document.write( "G+2G=45lb \n" ); document.write( "3G=45lb \n" ); document.write( "G=15lb ANSWER: There are 15 pounds of gravel. \n" ); document.write( " |