Question

Grahambell invented the telephone 139 years before 2015.In which year was the telephone invented.show the detailed answer please

Answer 1

Answer:

1876

Step-by-step explanation:

2015-139=1876

Answer 2

Given ,
Date of Invention to be : 139 yes before 2015
So, 2015-139=
1876.

Here is the answer and hope it helps