liujacky4 liujacky4

14-07-2016
Mathematics

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Bob took 20 math test last year if he failed 6 of them what percent of the math test did he pass

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adrianahf012 adrianahf012

14-07-2016

70 %

6 is the 30% percent of 20, so 70% refers to the percent of the math test he passed

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apologiabiology apologiabiology

14-07-2016

6 out of 20=what percent?
6/20=x%

percent means parts out of 100
x%=x/100

6/20=x/100
time both sides by 100
30=x
answer is 30% passed

100-30=70
70% is answer

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