SOLUTION: If a person makes a 72 on their quiz that is ten percent and makes a 72 on their second quiz that is ten percent and makes a 77 on their test that is forty percent what is their av

Question 1011442: If a person makes a 72 on their quiz that is ten percent and makes a 72 on their second quiz that is ten percent and makes a 77 on their test that is forty percent what is their average?
Found 2 solutions by Alan3354, MathLover1:
Answer by Alan3354(69443) (Show Source): You can put this solution on YOUR website!
If a person makes a 72 on their quiz that is ten percent and makes a 72 on their second quiz that is ten percent and makes a 77 on their test that is forty percent what is their average?
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10 + 10 + 40 = 60%
What is the other 40% ?
Answer by MathLover1(20850) (Show Source): You can put this solution on YOUR website!

It's a weighted average problem:

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Average:
Note: One test is %, second is also % and third is %, all together %.
Either you're missing one grade that's worth % or this is a real life example and you have one test to go that will be worth %.
Anyway, you're % short.
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