Kedar P. answered 05/27/16
Tutor
New to Wyzant
Maths, Finance and Accounting Tutor for High School and Undergrad
Here,
let the number of boys be x
so number of girls will be x+12
now,
total number of students in the band is 106
so,
x+x+12=106
2x=106-12
2x= 94
x=94/2
x=47
if x=47
x+12 = 47+12
i.e. 59
so, the number of girls in the band is 59.