document.write( "Question 570888: a person took four tests and got an 88, 86, 84, an a 93. the last test is worth 3 test grades. what do u have to get on the last test to get a 90 for the class? \n" ); document.write( "
Algebra.Com's Answer #367835 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! a person took four tests and got an 88, 86, 84, an a 93. the last test is worth 3 test grades. what do u have to get on the last test to get a 90 for the class? \n" ); document.write( "------ \n" ); document.write( "Equation: \n" ); document.write( "(88+86+93+3x)/6 = 90 \n" ); document.write( "-------------- \n" ); document.write( "267+3x = 540 \n" ); document.write( "3x = 273 \n" ); document.write( "x = 91 \n" ); document.write( "---------------- \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( " |