Answer :
Set up the equation
x+(x-6)+3(x-6)=176
x+x-6+3x-18=176
5x-24=176
5x=176+24
5x=200
x=40
Jamie has 40 books
Grant has 34
Ky has 102
Set up the equation
x+(x-6)+3(x-6)=176
x+x-6+3x-18=176
5x-24=176
5x=176+24
5x=200
x=40
Jamie has 40 books
Grant has 34
Ky has 102