в нашем классе 32уч.Из них 23 любят кошек,18-собак.Причём 10 уч. любят и кошек,и собак.Сколько уч. нашего класса не любят ни кошек,ни собак?

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Jimmy Carter ,  the thirty-ninth president of the United States ,  left office in 1981 , a Year later became Distinguished Professor of Emory University in Atlanta ,  Georgia, and founded the Carter Center. The Center addresses national and international issues of public policy. The aim of the Carter Center was to resolve conflict ,  promote democracy, protect human rights and prevent disease and other problems. Through the Global 2000 programme , the Center began advancing health care and agriculture in the developing world. Jimmy and Rosalynn Carter volunteer one wet a year for Habitat for Humanity, a nonprofit organization that helps needy people in the United States and in other countries renovate and build homes for themselves. He was awarded the Nobel Prize for Peace in 2002.

В школе 380 учеников,Одиннадцать девятнадцатых из них мальчики.Сколько девочек в школе?

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Сколько огненных языков на гербе Романовых?