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1L = 1,000ml and one quarter of
1,000 = 250, so:
1,000ml - 250ml = 750ml or 0.75L
To find a fifth we divide by five.
5 fifths - 3 fifths = 2 fifths, so:
We are left with 220ml
Think about how many times the smaller number fits into the larger:
It would take 50 days