# Help me work this out please?Watch

#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

Thank you
0
7 years ago
#2
What are each of those marks out of?
0
7 years ago
#3
71%
0
#4
(Original post by Thomas...)
What are each of those marks out of?
100
0
#5
(Original post by alcazaba)
71%
Thank you!
0
7 years ago
#6
I got 71% as well
0
7 years ago
#7
Yeah, I agree, 71 percent.
0
7 years ago
#8
(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

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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