document.write( "Question 830861: A student gets a 75% on his first exam and a 95% on his second exam. He has one more exam and hopes to get an average of 80% in the class. What does he need to get on his final exam? \n" ); document.write( "
Algebra.Com's Answer #500946 by stanbon(75887)![]() ![]() ![]() You can put this solution on YOUR website! A student gets a 75% on his first exam and a 95% on his second exam. He has one more exam and hopes to get an average of 80% in the class. What does he need to get on his final exam? \n" ); document.write( "------- \n" ); document.write( "Equation: \n" ); document.write( "(75+95+x)/3 = 80 \n" ); document.write( "(170+x) = 240 \n" ); document.write( "x = 70 He needs a 70% on the 3rd exam. \n" ); document.write( "------------- \n" ); document.write( "Cheers, \n" ); document.write( "Stan H. \n" ); document.write( "============= \n" ); document.write( " \n" ); document.write( " |