Question

Ms Boyd leads tha national math club at the middle school where she teaches. At the first club meetting of the school year ,60% of the students in attendance were boys.If there was one fewer girl then boy in attendance, how maby students attended the first club meeting

Answer 1

If 60% were boys, the ratio of boys:girls = 3:2

So,

b/(b-1) = 3/2
2b = 3b-3
b = 3

So, 3 boys, 2 girls

60% boys

Answer 2

5 students