What was the role of the kingdom of kongo in the procurement of slaves for the portuguese?
a. they sent armies into the interior to round up their enemies
b. they coordinated the slave trade for the portuguese
c. they assisted the portuguese in slave raiding expeditions
d. they allied with other christian kingdoms to gain rights to the slave trade

part a. there were 250 teenagers surveyed (100% of tenagers = 250)therefore 1 % = 250/100 = 2.5 76% = 1% x 76 = 2.5 x 76 = 190 teenagers of the 250 surveyed liked burgerspart b: jane surveyed 25% (which is equal to 50 teenagers, i.e. a quarter of the teenagers surveyed is 50) to get 100% we simply get 4 quarters, i.e. multiply 50 by 4 = 200 teenagers were surveyed by jane. part c: it is impossible to give an example where a percentage is greater than 100%, since, by definition , percentage means "per 100".