the total number of students in the maths club is 40 the number of boys is 5 less than 2 times the amount of girls to find the number of girls and boys let the number of girls be X. so 2X-5= the number of boy so, X+ 2X-5=40 3X-5=40 3X=40+5 3X=45 X=45/3 X=15 the number of girls is 15 and the number of boys is 15x2-5=25 boys
