Divisor divided by divisor equals quotient is 8, divisor + divisor + quotient equals 170, what is the divisor?

Divisor divided by divisor equals quotient is 8, divisor + divisor + quotient equals 170, what is the divisor?

Divisor (170-8) / (8 + 1) = 162 / 9 = 18
Divisor 170-8-18 = 144 or 18 × 8 = 144