Question

To get an A in history, a student must score an average of 90 on four papers. Scores on the first three papers were 92, 83, and 88. What is the lowest score that a student can make on the last paper and still get an A?

CAN YOU PLEASE SHOW IN DETAIL THANKS

Answer 1

the average of the four test is 90, one way to calculate the min score for all papers (360) then take away the result for the first 3 paper. hope this helps.

Answer 2

simplify 9qt 9pt