In a local shelter,250 people donated blood during the blood donation week. The samples collected of the different types are shown in the graph below.
Type A Type B Type O Type AB
28% 20% 36% 16%
how many more people with Type A blood donated blood than with Type B blood?
A. 20
B. 4
C. 10
D. 200

Why is black history month important

How did the late 19th century public schools change?

How did critics view the judicial reform bill under roosevelt? they thought that it would weaken the presidency and strengthen the court. they felt that it was an attempt to gain influence on the supreme court. they viewed it as a way to take power away from the government and give it to the people. they thought that it would bring an end to the programs created by the new deal.