document.write( "Question 919544: 130-question test a student answered 78 correctly. What percent of the problems did the student work correctly? \n" ); document.write( "

Algebra.Com's Answer #557785 by MathLover1(20850) $\"\"$ $\"About$

You can put this solution on YOUR website!
\r
\n" ); document.write( "\n" ); document.write( " $\"130\"$ -question test a student answered $\"78\"$ correctly;\r
\n" ); document.write( "\n" ); document.write( "find: $\"x\"$ % of $\"130\"$ equal to $\"78\"$ \r
\n" ); document.write( "\n" ); document.write( " $\"x\"$ %= $\"x%2F100\"$ \r
\n" ); document.write( "\n" ); document.write( " $\"%28x%2F100%29130=78\"$ ............solve for $\"x\"$ \r
\n" ); document.write( "\n" ); document.write( " $\"%28x%2F10cross%280%29%2913cross%280%29=78\"$ \r
\n" ); document.write( "\n" ); document.write( " $\"%28x%2F10%2913=78\"$ \r
\n" ); document.write( "\n" ); document.write( " $\"x%2A13=78%2A10\"$ \r
\n" ); document.write( "\n" ); document.write( " $\"x=780%2F13\"$ \r
\n" ); document.write( "\n" ); document.write( " $\"x=60\"$ \r
\n" ); document.write( "\n" ); document.write( "so, the student work $\"60\"$ % of the problems correctly
\n" ); document.write( " \n" ); document.write( "

\n" );