Volume equals one fourth of the sum of the volumes and , while volume equals one sixth of the sum of the volumes and .
Find the ratio of the volume to the sum of the volumes and .
Problem 1350
Official solution
1. We start with the given equations:
2. Rearrange the first equation to express in terms of and :
3. Rearrange the second equation to express in terms of and :
4. Now we have two expressions for :
5. Set the two expressions for equal to each other:
6. Solve for in terms of :
7. Substitute back into one of the original equations to find in terms of :
8. We need to find the ratio of to :
9. Therefore, the ratio of to is:
The final answer is .