Un litro de leche pura pesa 1030 gramos?

<img src="https://tex.z-dn.net/?f=%5Ctext%7B%20peso%20de%20%201L%20%20de%20leche%20%20%3A%20%7D1030%20%5C%20gr%20%5C%5C%0A%5Ctext%7B%20peso%20de%20%201L%20%20de%20agua%20%20%3A%20%7D1000%20%5C%20gr%20%5C%5C%5B2pt%5D%0A%5Ctext%7BDe%20ac%5C%27a%20se%20observa%20que%20si%20en%20vez%20de%20un%20litro%20de%20leche%20%20se%20pone%20%20un%20litro%7D%5C%5C%0A%5Ctext%7Bde%20agua%20existe%20una%20diferencia%20de%20%7D%20%5C%201030%20%5C%2C%20gr%20-1000%20%5C%2C%20gr%3D30%20%5C%2C%20gr%20%5C%5C%5B4pt%5D%0A%5Ctext%7B9L%20de%20leche%20pura%20pesa%20%3A%20%7D9%5Ctimes%201030%20%5C%2Cgr%3D9270%5C%2Cgr%20%20%5C%5C%5B2pt%5D%0A%5Ctext%7BSe%20calcula%20la%20diferencia%20entre%20la%20leche%20pura%20y%20la%20adulterada%7D%20%5C%5C%5B2pt%5D%0A9270%5C%2Cgr-9210%5C%2Cgr%3D60%5C%2Cgr%20%0A" />

<img src="https://tex.z-dn.net/?f=%5Ctext%7BPor%20cada%20litro%20de%20agua%20agregado%20hay%20una%20diferencia%20de%20%7D30%5C%2Cgr%20%5C%5C%20%5Ctext%7BEn%20%7D%20n%20%5Ctext%7B%20litros%20de%20agua%20hay%20una%20diferencia%20en%20gramos%20de%20%7D30n%20%5C%5C%5B2pt%5D%20%5CRightarrow%20%5C%2030n%3D60%20%5C%20%5CRightarrow%20%5C%20n%3D2%20%5C%5C%5B4pt%5D%20%5Ctext%7BTambi%5C%27en%20se%20puede%20hacer%20con%20una%20regla%20de%203%7D%20%5C%5C%5B4pt%5D%20%5Ctext%7Blitros%20de%20agua%20%7D%20%5Chspace%2A%7B2cm%7D%20%5Ctext%7Bdiferencia%7D%20%5C%5C%5B4pt%5D%20%5Chspace%2A%7B1.3cm%7D%201%20%5Chspace%2A%7B3.5cm%7D%2030%20%5C%2Cgr%20%5C%5C%5B2pt%5D%20%5Chspace%2A%7B1.3cm%7D%20n%20%5Chspace%2A%7B3.5cm%7D%2060%20%5C%2Cgr%20%5C%5C%5B4pt%5D%20%281%29%2860%5C%2Cgr%29%3D%28n%29%2830%5C%2Cgr%29%20%5C%20%5CRightarrow%20%5C%20n%3D2" />

<img src="https://tex.z-dn.net/?f=%5Ctext%7BPor%20lo%20tanto%20existen%202%20litros%20de%20agua%20en%20esa%20leche%20adulterada.%7D" />.