SOLUTION: on teh first 6 tests of his spanish test, brandon got an average score of 85. What does he need on the next test t have an overall average of 87?
How to solve? Thanks!
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How to solve? Thanks!
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Question 699233: on teh first 6 tests of his spanish test, brandon got an average score of 85. What does he need on the next test t have an overall average of 87?
How to solve? Thanks! Answer by stanbon(75887) (Show Source):
You can put this solution on YOUR website! on the first 6 tests of his spanish test, brandon got an average score of 85. What does he need on the next test t have an overall average of 87?
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# of points gotten on the 1st 6 tests: 6*85 = 510
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Equation:
(510+t)/7 = 87
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510+t = 609
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t = 99 (score needed on final test)
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Cheers,
Stan H.
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