NEED REAL ANSWERS As a result of the Boer Wars with the Afrikaners, Great Britain:
A. gained control of South Africa, but agreed to deny the vote to black South Africans.
B. granted South Africa its independence.
C. gave control of South Africa to the Dutch,
D. extended suffrage to black South Africans,​

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".

by improved communication.

it would be a. that is the only one i could think of