At the beginning of the year, 40% of the students in the Art Club were boys. In the middle of the year, 25% of the girls left but 8 more boys joined the Art Club. The number of members became 42. Find the total number of Art Club members at the beginning of the year.

Answer 1

42=.4AC+8 +.6AC(1-.25)
find AC, the total number of art club at start of year.

42-8=AC(.4+.75*.6)
34=AC(.85) >>>>>AC=40 check that.

Answer 2

Thanks!