Reparto inversamente proporcional <img src="https://tex.z-dn.net/?f=%24%5Cfrac%7B3%7D%7B2%7D%2C%5Cfrac%7B5%7D%7B4%7D%2C%5Cfrac%7B9%7D%7B6%7D%24" />
Homogenizamos los denominadores <img src="https://tex.z-dn.net/?f=%24%5Cfrac%7B18%7D%7B12%7D%2C%5Cfrac%7B15%7D%7B12%7D%2C%5Cfrac%7B18%7D%7B12%7D%24" />
entonces <img src="https://tex.z-dn.net/?f=%24%5Cfrac%7BS%7D%7B18%7D%3D%5Cfrac%7BM%7D%7B15%7D%3D%5Cfrac%7BC%7D%7B18%7D%3D%5Cfrac%7BS%2BM%2BC%7D%7B18%2B15%2B18%7D%3D%5Cfrac%7B17000%7D%7B51%7D%3D%5Cfrac%7B1000%7D%7B3%7D%24" />
Reparto :
SARA
<img src="https://tex.z-dn.net/?f=%24%5Cfrac%7BS%7D%7B18%7D%3D%5Cfrac%7B1000%7D%7B3%7D%24" /> A Sara le toca 6000
MARIA
<img src="https://tex.z-dn.net/?f=%24%5Cfrac%7BM%7D%7B15%7D%3D%5Cfrac%7B1000%7D%7B3%7D%24" /> A María le toca 5000
CARMEN
<img src="https://tex.z-dn.net/?f=%24%5Cfrac%7BC%7D%7B18%7D%3D%5Cfrac%7B1000%7D%7B3%7D" /> A Carmen le toca 6000
R / C.