Answer:
x= 5
Explanation:
As Figure A is a scale image of B. It means that the measurments of A are just multiplied by an integer to get the measurements of B.
2 times 2.5= 5
or
5/2= 2.5
Then, knowing the integer we multiply to get from m< A to m<B is 2.5, we DIVIDE
12.5/ 2.5 to get "x" which is 5