No acceleration please

The mass of the Sun is 2 x 1030 kg, the mass of Uranus is 8.7 x 1025 kg, and the center-to-center distance is 2.9 x 1012 m. How far from the center of the Sun is the center of mass of the Sun-Uranus system? Note that the Sun's radius is 7 x 108 m. 1.45e12 m eTextbook and Media Assistance Used Save for Later