document.write( "Question 309215: how many questions do i have to get right out of 75 in order to get a C? \n" ); document.write( "
Algebra.Com's Answer #221093 by nyc_function(2741)\"\" \"About 
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Let x = how many questions you need to get right for a grade of c\r
\n" ); document.write( "\n" ); document.write( "By grade c, I assume this means 70% in your class.\r
\n" ); document.write( "\n" ); document.write( "x/75 = 0.70\r
\n" ); document.write( "\n" ); document.write( "After solving for x, I got 52.5 questions.\r
\n" ); document.write( "\n" ); document.write( "Rounding it off to the unit's place and it is about 53 questions.\r
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