20 increased by 12.5% is 22.5
Answer:
they tripled because in world war 2 the african americans were reproducing and they were getting higher in numbers
It would be Martin Cooper that contributed most directly to creation of the cell phone. <span>Cooper and his team at Motorola, the communications company, created maybe the only thing that runs the lives of business professionals and teenagers alike -- the cell phone.</span>
Because the rulers & merchants used there money to sponsor people where as the Reinanssance had educated people combine classical learning & interest (or learning) of religion.
