Asked by Jamie (a girl)
If i have a test average of 74% and i need to make an average of at least 83% what would the lowest grade i could make be on the final test? (tests are worth 20%)
Answers
Answered by
drwls
Which tests are worth 20%?
If previous tests count 20% and the final test counts 80%,
0.2*0.74 + 0.8*X = 0.83
0.8X = 0.682
X = 85.3%
If previous tests count 20% and the final test counts 80%,
0.2*0.74 + 0.8*X = 0.83
0.8X = 0.682
X = 85.3%
Answered by
Jasmine
Explain and show how you would estimate 0.5 x 4.62. Then justify why this is a good choice for arriving at the correct answer.
Answered by
Jamie (a girl)
all tests are worth 20 percent
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