In an all weld tensile test, the original specimen gauge length was 50mm, and after the test the increased gauge length was 65mm, what is the elongation percentage?
a) % A is 40 b) % A is 60 c) % A is 30 d) % A is 36
a) % A is 40 b) % A is 60 c) % A is 30 d) % A is 36