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1. John’s math grade average increased from 68% to 82% after doing well on a test...

1. John’s math grade average increased from 68% to 82% after doing well on a test and a project.

a. How many percentage points did John’s average increase by?

b. By what percent did John’s average increase?

2. A heart disease drug is advertised to reduce the risk of heart attack by 20%.  

  1. Out of 300 patients, how many heart attacks are prevented?

  2. In a certain group of 10,000 patients, 40 would have normally experienced heart attacks. How many would experience heart attacks while taking the drug? Does this seem like a significant reduction? Why or why not?

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Answer #1

a Johns inereaseol anrage 82-68)1paceutaze peints Fohhs incneare 10 20.59 68 12 2a) No ofheant attacks paeenlad 20 7 2 hentPlease upvote my answer if you like it

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