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anonymous
 one year ago
@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?
anonymous
 one year ago
@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?

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iGreen
 one year ago
Best ResponseYou've already chosen the best response.1\(\sf 80\% \rightarrow 0.80\)

iGreen
 one year ago
Best ResponseYou've already chosen the best response.1Remember, 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
 one year ago
Best ResponseYou've already chosen the best response.0Okay, that's 16. o.o

iGreen
 one year ago
Best ResponseYou've already chosen the best response.1Yep, 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
 one year ago
Best ResponseYou've already chosen the best response.0Ohhhh okay. I'm in Summer School for only Math, you make it so easy, for me it just seem really hard..

iGreen
 one year ago
Best ResponseYou've already chosen the best response.1That's what I'm here for \(\Huge\ddot\smile\)
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