Por favor la 5 chicos?
Por favor la 5 chicos.
Por favor la 5 chicos.
En resumen
<img src="https://tex.z-dn.net/?
<img src="https://tex.z-dn.net/?f=%5Cleft%7C%5Cbegin%7Bmatrix%7D%0A1%261%261%5C%5C%0Aa%26b%26c%5C%5C%0Aa%5E2%26b%5E2%26c%5E2%0A%5Cend%7Bmatrix%7D%5Cright%7C%3D%0A%5Cleft%7C%5Cbegin%7Bmatrix%7D%0Ab%26c%5C%5C%0Ab%5E2%26c%5E2%0A%5Cend%7Bmatrix%7D%5Cright%7C-%5Cleft%7C%5Cbegin%7Bmatrix%7D%0Aa%26c%5C%5C%0Aa%5E2%26c%5E2%0A%5Cend%7Bmatrix%7D%5Cright%7C%2B%5Cleft%7C%5Cbegin%7Bmatrix%7D%0Aa%26b%5C%5C%0Aa%5E2%26b%5E2%0A%5Cend%7Bmatrix%7D%5Cright%7C%20%5C%5C%20%5C%5C%20%5C%5C%0A%5Cleft%7C%5Cbegin%7Bmatrix%7D%0A1%261%261%5C%5C%0Aa%26b%26c%5C%5C%0Aa%5E2%26b%5E2%26c%5E2%0A%5Cend%7Bmatrix%7D%5Cright%7C%3D%0Abc%5Cleft%7C%5Cbegin%7Bmatrix%7D%0A1%261%5C%5C%0Ab%26c%0A%5Cend%7Bmatrix%7D%5Cright%7C-ac%5Cleft%7C%5Cbegin%7Bmatrix%7D%0A1%261%5C%5C%0Aa%26c%0A%5Cend%7Bmatrix%7D%5Cright%7C%2Bab%5Cleft%7C%5Cbegin%7Bmatrix%7D%0A1%261%5C%5C%0Aa%26b%0A%5Cend%7Bmatrix%7D%5Cright%7C%0A%0A%0A%0A%0A%0A" />
<img src="https://tex.z-dn.net/?f=%5Cleft%7C%5Cbegin%7Bmatrix%7D%0A1%261%261%5C%5C%0Aa%26b%26c%5C%5C%0Aa%5E2%26b%5E2%26c%5E2%0A%5Cend%7Bmatrix%7D%5Cright%7C%3Dbc%28c-b%29-ac%28c-a%29%2Bab%28b-a%29%5C%5C%20%5C%5C%20%5C%5C%0A%5Cleft%7C%5Cbegin%7Bmatrix%7D%0A1%261%261%5C%5C%0Aa%26b%26c%5C%5C%0Aa%5E2%26b%5E2%26c%5E2%0A%5Cend%7Bmatrix%7D%5Cright%7C%3Dc%5B%28bc-b%5E2%29-%28ac-a%5E2%29%5D%2Bab%28b-a%29%5C%5C%20%5C%5C%20%5C%5C%0A%5Cleft%7C%5Cbegin%7Bmatrix%7D%0A1%261%261%5C%5C%0Aa%26b%26c%5C%5C%0Aa%5E2%26b%5E2%26c%5E2%0A%5Cend%7Bmatrix%7D%5Cright%7C%3Dc%5B%28bc-ac%29-%28b%5E2-a%5E2%29%5D%2Bab%28b-a%29" />
<img src="https://tex.z-dn.net/?f=%5Cleft%7C%5Cbegin%7Bmatrix%7D%0A1%261%261%5C%5C%0Aa%26b%26c%5C%5C%0Aa%5E2%26b%5E2%26c%5E2%0A%5Cend%7Bmatrix%7D%5Cright%7C%3Dc%28b-a%29%28c-b-a%29%2Bab%28b-a%29%5C%5C%20%5C%5C%20%5C%5C%0A%5Cleft%7C%5Cbegin%7Bmatrix%7D%0A1%261%261%5C%5C%0Aa%26b%26c%5C%5C%0Aa%5E2%26b%5E2%26c%5E2%0A%5Cend%7Bmatrix%7D%5Cright%7C%3D%28b-a%29%5Bc%28c-b-a%29%2Bab%5D%5C%5C%20%5C%5C%20%5C%5C%0A%5Cleft%7C%5Cbegin%7Bmatrix%7D%0A1%261%261%5C%5C%0Aa%26b%26c%5C%5C%0Aa%5E2%26b%5E2%26c%5E2%0A%5Cend%7Bmatrix%7D%5Cright%7C%3D%28b-a%29%28c%5E2-bc-ac%2Bab%29%5C%5C%20%5C%5C%20%5C%5C%0A%5Cleft%7C%5Cbegin%7Bmatrix%7D%0A1%261%261%5C%5C%0Aa%26b%26c%5C%5C%0Aa%5E2%26b%5E2%26c%5E2%0A%5Cend%7Bmatrix%7D%5Cright%7C%3D%28b-a%29%5B%28c%5E2-ac%29-%28bc-ab%29%5D%5C%5C%20%5C%5C%20%5C%5C%0A%5Cboxed%7B%5Cboxed%7B%5Cleft%7C%5Cbegin%7Bmatrix%7D%0A1%261%261%5C%5C%0Aa%26b%26c%5C%5C%0Aa%5E2%26b%5E2%26c%5E2%0A%5Cend%7Bmatrix%7D%5Cright%7C%3D%28b-a%29%28c-a%29%28c-b%29%7D%7D" />.
Hay 60% chicos chicos = 1600 * 60% = 960 chicas = 1600 * 40% = 640.
La respuesta es 50 chicos y 30 chicas.
55 - 30 = 25 Habian 25 chicos mas que las chicas .
La doce debe estar mal es com 2x2 = 4 = 2x3.