You want to do to one side the same thing you do to the other side.
In order to get the n by itself you divide the 25n by 25. But in order to not change the answer you need to do the same to the 70.

so n=

which can be reduced to

so n=
Multiply 4.51 by 3.4
That's all it is asking you
Answer:
Logic puzzles use grids to help you make eliminations based on deciphering the truth in the clues provided.
Answer:
Associative Property
For multiplication, the rule is "a(bc) = (ab)c"; in numbers, this means 2(3×4) = (2×3)4.