Respuesta :

Answer:

1 : 2 : 5

Step-by-step explanation:

Each quantity must be expressed in the same units of measure, thus

1 litre = 100 ml and 2.5 litres = 2500 ml , then

500 : 1000 : 2500 ← divide each part by 500

= 1 : 2 : 5 ← in simplest form