5y 3 5 4 5 July 8, 2019 16 32 64 128 3 5y 2 5 )+ 4 5y 1 3 5y 2 5 4 5 3 5y 30 4 5y 5 5y 5 5y 4 10y 3 5y =3 5 5y = 3
