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Half of the students in Mrs.J's class volunteer at the library. 15 students didnt volunteer. If there are 12 boys in Mrs.J's , how many girls are in her class?

 Jan 14, 2019
 #1
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18! Trick question!

 Jan 14, 2019
 #2
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1/2 volunteer      15 do not     so there is 30 students in class  12 are boys then 18 are girls.

 Jan 14, 2019

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