Verified Tutorials A+ Answers Proferssional Expert CLICK HERE TO DOWNLOADTHIS ANSWER INSTANTLY $3.50 ONLY Logically, check the longest time. Since 12 divides 84, when Uranus is done its orbit, Jupiter is always going to lined up. The one to check is Saturn. What multiple of 84 is divisible by 30? Check them in order. 84? 168? 252? 336? 420?