Answer:
1/6 of the students in Robert's grade have both a sister and a brother.
Explanation:
Let x be the number of total students in Robert's grade.
It is given that In Robert's grade, 1/3 of the students have a sister.
Number of students have a sister = 
Of the students who have a sister, 1/2 also have a brother.
Number of students have both a sister and a brother = 
We need to find the fraction of the students in Robert's grade have both a sister and a brother.
Therefore, 1/6 of the students in Robert's grade have both a sister and a brother.
According to constitution, whenever there is a conflict between laws, <span>Federal law shall predominate state law.
In order to maintain the structural obligation between each states in United States, a central regulation (from the federal government) is needed to create some sort of regulatory standard for the states.</span>
They were known during the colonial years to the French as the Iroquois League, and later as the Iroquois Confederacy, and to the English as the Five Nations, comprising the Mohawk, Onondaga, Oneida, Cayuga, and Seneca
That would be <span>Constantin Brâncuși.
</span>Brâncuși was born in Hobita, Romania in 1876. He studied in three different countries, firstly in his native Romania in Bucharest, after which he studied in Germany in Berlin and finally in Paris, France at École des Beaux-Arts. He is considered to be a patriarch of the modern sculpting and one of the pioneers of modernism and certainly one of the most influential artists of the 20th century. His art can be described as representational art with symbolic allusions which he created through use of clean geometric lines.
