document.write( "Question 1045887: In a class in which the final course grade depends entirely on the average of four equally weighted 100-point tests, frank has scored 86,76, and 77 on the first three. What range of scores on the fourth test will give Frank a B for the semester?(An average between 80 and 89 inclusive) \n" ); document.write( "
Algebra.Com's Answer #661466 by jorel555(1290)![]() ![]() ![]() You can put this solution on YOUR website! 4 x 80=320 \n" ); document.write( "86+76+77=239 \n" ); document.write( "320-239=81 \n" ); document.write( "Frank needs to score at least 81 on the last test to average a B in the course. ☺☺☺☺ \n" ); document.write( " |