document.write( "Question 666194: How many questions would you need to get correct on a 78 problem quiz in order to get at least a 90 percent as your grade? \n" ); document.write( "
Algebra.Com's Answer #414334 by swincher4391(1107)![]() ![]() You can put this solution on YOUR website! x/78 >= 90/100\r \n" ); document.write( "\n" ); document.write( "100x >= 78*90\r \n" ); document.write( "\n" ); document.write( "x>= 70.2\r \n" ); document.write( "\n" ); document.write( "But of course you can't get .2th of a question right. So you must get 71 at least. \n" ); document.write( " |