Question

Do you know any other famous inventors? Perhaps you know
who invented the printing press or the telephone. These famous
inventors saw a problem, just as Edison did. Edison saw that
people needed light after dark but that the light bulbs of other
inventors did not last long enough or could not be made cheaply
so that many people could have them. Edison solved hte problems.
Inventors solve problems.
Questions:
(1) What do famous inventors do?
Answer:
2. What was the problem with the light bulb invented by other inventors​

Answer 1

Answer:

1.famous inventors do see problems &solve those problems.

2.the problem with the light bulb invented by other inventors was that those light bulbs did not last long enough or could not be made cheaply.