Let us assume the number of band members = x Let assume the number of chorale members = y Then x = y + 30 (x + 10)/(y + 10) = 3/2 2(x + 10) = 3(y + 10) 2x + 20 = 3y + 30 2x - 3y = 10 Putting the value of x from the first equation in the second equation, we get 2x - 3y = 10 2(y + 30) - 3y = 10 2y + 60 - 3y = 10 y = 50 Putting y = 50 in the first equation we get x = 50 + 30 = 80 From the above deductions, we can easily conclude that the number of band members is 80. I hope that this is the answer that has actually come to your help.
