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Mathematics 8 Online
OpenStudy (anonymous):

The average score on 7 tests in Algebra was 79. What was the sum of all the scores?

OpenStudy (anonymous):

Start by setting up an equation that shows the average of 7 tests equalling 79.

OpenStudy (anonymous):

Hint: Average = Sum of 7 scores / 7 Now plug number in!

OpenStudy (anonymous):

ok then what do you do

OpenStudy (anonymous):

hat would the tax be on a luxury item valued at $30,000?

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