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Mathematics 9 Online
OpenStudy (anonymous):

Write the percent as a decimal and as a fraction. 215% (1 point) 2.15; 2 1/20 2.15; 2 3/20 21.5; 21,1/2 21.5; 21, 3/10 Just tell me what one what it is.. I'LL GIVE A MEDAL (:

OpenStudy (mathstudent55):

Percent literally means per 100, or out of 100. It is a ratio out of 100. 10 percent means 10 out of 100 or 10/100 25% = 25/100 215% = 215/100. Do the division and you'll get 2.15 (that a decimal) Now let's go back to the fraction, 215/100. this can be reduced by dividing both numerator and denominator by 5: 215/100 = 43/20. Now divide 43 by 20 using long division. You get 2, remainder 3. That means 215/100 = 2 3/20 as a mixed numeral.

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