Homework Help: Math / Fractions

Posted by lifeontwofeet on Saturday, September 6, 2008 at 6:34am.

Here is another one that I am having trouble with.
Julio works as a quality control expert in a beverage factory.The assembly line that he monitors produces about 20,000 bottles in a 24-hour period. Julio samples about 120 bottles an hour and rejects the line if he finds more than 1/50 of the sample to be defective. About how many defective bottles should Julio allow before rejecting the entire line?

Again, I do not want the ANSWER, I need to understand the equation to use to solve it.

Math / Fractions - Ms. Sue, Saturday, September 6, 2008 at 11:08am
1/50 * 120 = ?

or
0.02 * 120 = ?
- Math / Fractions - justdontkno, Saturday, September 6, 2008 at 1:13pm
  2.40 i think
Math / Fractions - Ms. Sue, Saturday, September 6, 2008 at 2:07pm
Right. So when Julio finds the third defective bottle in his sample, he needs to reject the entire line.

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