SOLUTION: Rational Expressions...I really need help with this thank you so much in advance. A sample of 320 mobile phone batteries contained 16 defective batteries. How many defective ba

Algebra ->  Rational-functions -> SOLUTION: Rational Expressions...I really need help with this thank you so much in advance. A sample of 320 mobile phone batteries contained 16 defective batteries. How many defective ba      Log On


   

Question 635717: Rational Expressions...I really need help with this thank you so much in advance.
A sample of 320 mobile phone batteries contained 16 defective batteries. How many defective batteries would you expect to find in a sample of 3000?
Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!
 

Hi,

A sample of 320 mobile phone batteries contained 16 defective batteries. 

How manyhighlight%28x%29  defective batteries would you expect to find in a sample of 3000

Inquiry Sets Up the Proportion

16%2F320+=+x%2F3000     

1%2F20+=+x%2F3000     | Cross Multiply to solve for x