Help me work this out please? Watch

opinionscount66
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#1
Report Thread starter 7 years ago
#1
Ok so I have my marks back from a 7 part piece of biology coursework I did but I can't work out my overall mark! (very bad at maths)

1. Worth 20% mark=50
2. Worth 15% mark=80
3. Worth 20% mark=78
4. Worth 10% mark=80
5. Worth 15% mark=76
6. Worth 10% mark= 70
7. Worth 10% mark- 70

Please help me work out what my overall mark for this is!

Thank you
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cvqw1278
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What are each of those marks out of?
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alcazaba
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71%
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opinionscount66
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(Original post by Thomas...)
What are each of those marks out of?
100
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opinionscount66
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(Original post by alcazaba)
71%
Thank you!
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supernova92
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#6
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I got 71% as well
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cvqw1278
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#7
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Yeah, I agree, 71 percent.
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username167718
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#8
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(Original post by opinionscount66)
Ok so I have my marks back from a 7 part piece of biology coursework I did but I can't work out my overall mark! (very bad at maths)

1. Worth 20% mark=50
2. Worth 15% mark=80
3. Worth 20% mark=78
4. Worth 10% mark=80
5. Worth 15% mark=76
6. Worth 10% mark= 70
7. Worth 10% mark- 70

Please help me work out what my overall mark for this is!

Thank you
Perhaps you'd like to know how to work it out? It's really not that hard...

1. Convert all percentages to decimals (or fractions). 20%=0.2, 15%=0.15, 10%=0.1

2. Multiply each decimal by the mark. 0.2*50=10, 0.15*80=12, ... (You're allowed a calculator for these parts!!)

3. Add these numbers together (10+12+... = 71!).
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