See attached image. It's not just an answer...it's a full explanation. Please look through it to make sure you understand, and if anything isn't clear, don't hesitate to ask.
Answer:

Step-by-step explanation:
<h2> (-1 3/5) / (-2/3) =

</h2><h2>

=

</h2>
Those are equivalent take 100 times 1/4 it’s the same as dividing 4 :)
Amount of water after splash = 25(4/5) = 20L
Amount of water after Tina adds water = 20L + 7L = 27L
Answer:
where is the rest of the question.......