Asked by jdncsbcn
A student’s grade for the four quarters are 95, 83, 91, and 85. What does the student need to earn on the final exam to have an overall B average (85 to 92 inclusively) for the year?
I need four Steps - MODEL, Write INEQUALITY, SOLVE, INTERPRET.
I need four Steps - MODEL, Write INEQUALITY, SOLVE, INTERPRET.
Answers
Answered by
mathhelper
Assuming the final has the same weight as the other 4 tests,
let the mark on the final be x
85 ≤ (95 + 83 + 91 + 85 + x)/5 ≤ 92
425 ≤ 354+x ≤ 460
71 ≤ x ≤ 106 (??)
My conclusion would be that x ≥ 71
let the mark on the final be x
85 ≤ (95 + 83 + 91 + 85 + x)/5 ≤ 92
425 ≤ 354+x ≤ 460
71 ≤ x ≤ 106 (??)
My conclusion would be that x ≥ 71
There are no AI answers yet. The ability to request AI answers is coming soon!
Submit Your Answer
We prioritize human answers over AI answers.
If you are human, and you can answer this question, please submit your answer.