Question

A fountain pen can be filled 45 times from a bottle containing 1 litre of ink. How much ink can be filled in the fountain pen at one time

Answer 1

ink at 1 time = 1/45

Answer 2

1 liter of ink is 1000 mL
so the ink can be filled in a fountain pen is 1000:45=~22.22 mL=~0.02222 L