A math club and a robotics club together have 40 members. The number of math club members is 5 less than 2 times the number of robotic club members. How many members are in each club?

Answer 1

m + r= 40

m= 2r - 5

2r-5+ r= 40

3r = 45

r= 45/3 = 15 robotic members

m =40-15 = 25 math members