+0  
 
+13
100
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avatar+338 

A survey of  teachers determined the following:

 had high blood pressure

 had heart trouble

 had both high blood pressure and heart trouble

What percent of the teachers surveyed had neither high blood pressure nor heart trouble?

 

I think 30 had high blood pressure nor heart trouble but I might be wrong

 Jun 9, 2020
 #1
avatar+732 
-1

we can't see how many people had the diseases, please fix it :)

 Jun 9, 2020
 #2
avatar+338 
-4

I forgot the numbers

 Jun 13, 2020

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