document.write( "Question 152298: A student has scores of 67.25, 66.75, and 72.5 on his first three tests. He needs an average of at least 70 to earn a grade of C. What is the minimum score that the student needs on the fourth test to ensure a C? \n" ); document.write( "
Algebra.Com's Answer #111961 by oscargut(2103)![]() ![]() You can put this solution on YOUR website! (67.25+66.75+72.5+x)/4>=70 \n" ); document.write( "206.5+x>=280 \n" ); document.write( "x>=73.5 \n" ); document.write( "Answer: 73.5 or more \n" ); document.write( " \n" ); document.write( " |