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September 23, 2014

September 23, 2014

Posted by **Carrie** on Saturday, June 14, 2008 at 3:14pm.

If her exam is worth 7.5%, what is her final grade.

- Problem Solving -
**Ms. Sue**, Saturday, June 14, 2008 at 5:02pmMultiply 75 by 0.925.

Multiply 85 by 0.075.

Add the two products together to get her final grade.

- Problem Solving -
**Salina**, Saturday, June 14, 2008 at 5:16pmDon't you take 75x0.075= 6.375

then add that to her final grade of 75% to get 81.375?

- Problem Solving -
**Ms. Sue**, Saturday, June 14, 2008 at 5:47pmNo, that's not correct.

75% is an average of all of the work that she did during the semester.

- Problem Solving -

- Problem Solving -
- Problem Solving -
**Carrie**, Saturday, June 14, 2008 at 5:13pmThanks but,I don't understand, because

75x0.925= 69.375

85x0.075= 6.375

69.375 + 6.375= 75

How can that be right? Where did you get 0.925 from. Isn't her final grade going to go up after her 85% on the exam.

- Problem Solving -
**Ms. Sue**, Saturday, June 14, 2008 at 5:23pmI got the 0.925 by subtracting 0.075 from 1.

By my calculations, the grade only goes up from 75 to 75.75. Rounded to the nearest percent = 75.75 = 76. A final grade of 76% makes sense because the exam is only a small part of the final grade.

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