Neptune Circles the Sun at a Distance of 4

Multiple Choice

Neptune circles the Sun at a distance of 4.50 × 10¹² m once every 164 years. Saturn circles the Sun at a distance of 1.43 × 10¹² m. What is the orbital period of Saturn?

A) 304 years
B) 121 years
C) 109 years
D) 88.6 years
E) 29.4 years