# SOLUTION: An eighth grade class picnic has a boy-girl ratio of 4:3. Two girls leave the class, changing the ratio to 10:7. How many students are now in the class?

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 Algebra: Proportions Solvers Lessons Answers archive Quiz In Depth

 Question 468629: An eighth grade class picnic has a boy-girl ratio of 4:3. Two girls leave the class, changing the ratio to 10:7. How many students are now in the class? Answer by jorel1380(2518)   (Show Source): You can put this solution on YOUR website!4x/3x-2=10/7 28x=30x-20 20=2x x=10 The original amount of students was 40 boys, and 30 girls. Now there are 40 boys and 28 girls..