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Question 1151575:  There are 20 children in a class, and 12 of the children are girls. Of the girls, 8 brought a lunchbox, and of the boys 6 did NOT bring a lunchbox. If a child from the class is chosen at random, what is the probability that the child brought a lunchbox?
 
A.    15  
B.    310  
C.    12  
D.    34  
E.  I don't know. 
 
 Found 2 solutions by  jim_thompson5910, ikleyn: Answer by jim_thompson5910(35256)      (Show Source): 
You can  put this solution on YOUR website!  
It asks about probability, but none of the answer choices are fractions or decimals between 0 and 1. Your teacher made a typo with the answer choices, or they meant to ask a different question. I would double check. 
 
 Answer by ikleyn(52903)      (Show Source): 
You can  put this solution on YOUR website! . 
There are 12 girls and 20-12 = 8 boys in the class.
Of the girls, 8 brought a lunchbox.
Of the boys, 8-6 = 2 brought a lunchbox.
In all, 8+2 = 10 children brought a lunchbox.
The probability under the problem's question is, therefore,    =  .    ANSWER
The option answers list in your post is   I R R E L E V A N T   to the problem.
 
 
 
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