anonymous
  • anonymous
@iGreen A student earned a grade of 80% on a Math Test that had 20 problems. How many problems on this test did the student answer correctly?
Mathematics
  • Stacey Warren - Expert brainly.com
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SOLVED
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chestercat
  • chestercat
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iGreen
  • iGreen
Multiply..
iGreen
  • iGreen
80% * 20 = ?
iGreen
  • iGreen
\(\sf 80\% \rightarrow 0.80\)

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iGreen
  • iGreen
Remember, percentages are parts of 100, so to simplify a percentage, just divide it by 100. \(\sf 80\% \rightarrow \dfrac{80}{100} \rightarrow 0.80\)
anonymous
  • anonymous
Oh okay. o.o
anonymous
  • anonymous
Okay, that's 16. o.o
iGreen
  • iGreen
Yep, that's our answer..the student got 16 questions correct out of 20. To check, divide. \(\sf \dfrac{16}{20} \rightarrow 0.80 \rightarrow 80\%\)
anonymous
  • anonymous
Ohhhh okay. I'm in Summer School for only Math, you make it so easy, for me it just seem really hard..
iGreen
  • iGreen
That's what I'm here for \(\Huge\ddot\smile\)
anonymous
  • anonymous
^_^ So sweet.

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