Question

quantos numeros impares existem de 15 ate 579

Answer 1

$> resolucao \\ \\ \geqslant progressao \: aritmetica \\ \\ an = a1 + (n - 1)r \\ 579 = 15 + (n - 1)2 \\ 579 = 15 + 2n - 2 \\ 579 = 13 + 2n \\ 579 - 13 = 2n \\ 566 = 2n \\ n = \frac{566}{2} \\ n = 283 \\ \\ \\ \\ \\ \\ resposta \: > sao \: 283 \: numeros \: impares \: de \: 15 \: ate \: 579 \\ \\ \\ \\ \\ \\ > < > < > < > < > < > < > <$