document.write( "Question 623699: the cost of 21 objects was 168$.how many objects could be purchased for 528$ \n" ); document.write( "

Algebra.Com's Answer #392227 by ewatrrr(24785) $\"\"$ $\"About$

You can put this solution on YOUR website!

 
\n" );
document.write( "Hi,  
\n" );
document.write( "the cost of 21 objects was 168$.
\n" );
document.write( "how many objectscould be purchased for 528$
\n" );
document.write( "Info sets Up the Proportion:
\n" );
document.write( "    | Cross Multiply to solve for x \n" );
document.write( "

\n" );