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nikklg [1K]
3 years ago
8

I got 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%.

Mathematics
1 answer:
Sladkaya [172]3 years ago
6 0

Contribution of the exam score to your ultimate grade: 0.25\cdot97.27\approx24.32

Contribution of the project: 0.25\cdot97=24.25

Contribution of the practical: 0.20\cdot93.33\approx18.67

Contribution of the final exam: 0.30x=y, where x is the score you get on the final exam and y is the percentage that score contributes to your grade.

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

24.32+24.25+18.67+y=90\implies y=22.76

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

0.30x=22.76\implies x=\dfrac{22.76}{0.30}\approx75.87

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