Igot 97.27 from 25% exam and on the project i got 97 and it is 25% and on the practical got 93.33 from 20%.
that is 70% , there is 30% left an a is 90 and it is the final exam how much do i need to get in the final to get an a ?

Contribution of the exam score to your ultimate grade:

Contribution of the project:

Contribution of the practical:

Contribution of the final exam: , where is the score you get on the final exam and is the percentage that score contributes to your grade.

You want to end up with an A, a minimum grade of 90%, so

Then the minimum score you need to get on the exam is

lockers 1, 4, 9, 16, 25, 40, and 49 are open

i ran through it by the other answer is wrong