A escola do Duarte é frequentada por 1500 alunos. 20% ods alunos frequentam o Clube de Ciências e 25% o Clube de Artes. Qual o número de alunos que não frequentam nenhum destes clubes

If you were constructing a triangular frame, and you had wood in the length of 4inches, 4 inches, and 7 inches, would it make a triangle? would you be able to create a frame from these pieces of wood? yes or no. explain your mathematical thinking