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September 3, 2014

Posted by **Jamie (a girl)** on Thursday, December 8, 2011 at 9:33pm.

- math -
**drwls**, Thursday, December 8, 2011 at 9:38pmWhich 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%

- math -
**Jasmine**, Friday, December 9, 2011 at 10:43amExplain 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.

- math -
**Jamie (a girl)**, Sunday, December 11, 2011 at 11:31pmall tests are worth 20 percent

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