50% of the class are boys and 20% of class are blonde haired and there are three times as many boys are blonde haired. huv much percentage of blonde haired boys are in class

15%

Step-by-step explanation:

Divide 20 by 4 then 3/4th are boys so take the answer and add it 3 times.

the central idea is that:

individuals should refuse to cooperate with institutions they believe unjust.

thoreau felt  that governments were more often agents of corruption than justice, even democracies, and that just because the majority feels a certain way does not make it just or correct in absolute terms. he uses the fact that slavery exists in our democracy to support this idea.

he goes on to say that, as a result, people should live true to their own internal laws regarding right and wrong, as a product of reflection and a moral life, rather than following every law that society imposes. 

step-by-step explanation: