Find the final-exam score you need to reach your target overall grade.
What do you need on your final?
Set a target and see what it takes.
Every result, explained.
[target − current × (1 − final weight)] ÷ final weight
Use the final weight as a decimal in this formula: 40% becomes 0.40. A target above 100% means the requested overall grade is not attainable under these assumptions.