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)\"\" \"About 
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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.
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