Can someone help me with that please

Astudent is solving a system of equations by substitution and comes up with the solution 3 = 3. assuming that he solved the problem correctly, which of the following can be said about this system of equations?

Avegetable farmer fills of a wooden crate with of a pound of tomatoes. how many pounds of tomatoes can fit into one crate? a. 14/15 of a pound b. 2 1/10 pounds c. 1 1/14 pounds d. 10/21 of a pound

To keep cylindrical tanks from tipping over, a designer is planning to enlarge the original area of the base by 50%. the new tank should have the same volume as the original. how should the designer change the height of the tank? a: make it 50% taller than the height of the original tank. b: make it 6623% taller than the height of the original tank c: make it 3313% shorter than the height of the original tank d: make it 50% shorter than the height of the original tank.