Who ever sole this problem, with step by step soloution I will mark Brainliest (No Rubbish Please, I will report)

Step-by-step explanation:
There are a couple of ways you could do this
10, 250ml (10*250=2500)
5, 500ml (5*500=2500)
3, 750ml + 250ml (3*750=2250.... 2250+250=2500)
There are many ways you could approach this. Hope these examples help