Carol H. answered 03/04/18
Tutor
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Experienced Mathematics Tutor w/ Master's Degree in Math
boys/girls: 2/3 = 280/x Cross multiply
2x = 840
x = 420 girls
Mia M.
asked 03/04/18
Carol H. answered 03/04/18
Experienced Mathematics Tutor w/ Master's Degree in Math
Mark M. answered 03/04/18
Mathematics Teacher - NCLB Highly Qualified
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