Respuesta :

Parrain

Answer: 52.5%

Step-by-step explanation:

First add up both quantities to find out the total quantity of the mixture.

= 2.85 + 3.15

= 6 kg

The flour is 3.15 kg out of this total so the percentage is:

= 3.15 / 6 * 100%

= 52.5%