On a soccer team, 10 children have siblings and 6 do not have siblings. If the soccer club has 8 teams of the same size, what is a reasonable estimate of children who do not have a sibling?

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Lance lived in portugal and brazil for a total of 14 months to learn portuguese. he learned an average of 130 new words per month when he lived in portugal, and an average of 150 new words per month when he lived in brazil. in total he learned 1920 new words. write a system of equations to represent the situation. use x to represent portugal, and y to represent brazil