Help me with this easy math problem
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Help me with this easy math problem

[From: ] [author: ] [Date: 11-09-17] [Hit: ]
What is her average in math?-0.0.0.Her average in math is 75%.-.......
Maria is in a math class where the grading scale is 50% is made up of tests, 30% is made up of quizzes, and 20% is made up of homework. She gets a 100 in homework, 70 in quizzes and 68 in tests. What is her average in math?

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0.50x68=34
0.30x70=21
0.20x100=20

34+21+20=75

Her average in math is 75%.

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.5(68) + .3(70) + .2(100) = 34 + 21 + 20 = 75
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